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<document id="3BB0B1E4DC8F8E4CF4C60DA60B40AAFC" ID-CLB-Dataset="9255" ID-DOI="10.5252/zoosystema2018v40a26" ID-GBIF-Dataset="2697b081-f3fa-4256-a62d-f084ee352b1c" ID-ISSN="1638-9387" ID-Zenodo-Dep="4336858" ID-ZooBank="urn:lsid:zoobank.org:pub:E018714D-7CCF-4AB8-A88A-EF033530CA75" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1608156727094" checkinUser="felipe" docAuthor="Guinot, Danièle, Ng, Ngan Kee &amp; Rodríguez Moreno, Paula A." docDate="2018" docId="039387B2FF96262CFEDB1E66FB46F9B4" docLanguage="en" docName="Zoosystema.40.26.547-604.pdf" docOrigin="Zoosystema 40 (26)" docStyle="DocumentStyle:AFAF64E709DD7C8340B70A24A5804402.4:Zoosystema.2018-2019.journal_article" docStyleId="AFAF64E709DD7C8340B70A24A5804402" docStyleName="Zoosystema.2018-2019.journal_article" docStyleVersion="4" docTitle="Epigrapsus HelIer 1862" docType="treatment" docVersion="6" lastPageNumber="572" masterDocId="FFAAFFCAFF8F2637FFFB1A12FFECFFD9" masterDocTitle="Review of grapsoid families for the establishment of a new family for Leptograpsodes Montgomery, 1931, and a new genus of Gecarcinidae H. Milne Edwards, 1837 (Crustacea, Decapoda, Brachyura, Grapsoidea MacLeay, 1838)" masterLastPageNumber="604" masterPageNumber="547" pageNumber="570" updateTime="1698847703829" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="85EC939BFD2E83D9F2414FAA8379E35A">Review of grapsoid families for the establishment of a new family for Leptograpsodes Montgomery, 1931, and a new genus of Gecarcinidae H. Milne Edwards, 1837 (Crustacea, Decapoda, Brachyura, Grapsoidea MacLeay, 1838)</mods:title>
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<mods:namePart id="3AAA8518F3079E9F1034FD3640758E9F">Guinot, Danièle</mods:namePart>
<mods:affiliation id="015D74302A32930EFF31AF8DB116590E">Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national dHistoire naturelle, CNRS, Sorbonne Université, EPHE, case postale 53, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) guinot @ mnhn. fr (corresponding author)</mods:affiliation>
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<mods:namePart id="C4B42F78A7847EBDE136CE98F29567DC">Ng, Ngan Kee</mods:namePart>
<mods:affiliation id="C76439C5041453C65F2DBB3FF967E996">Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543 (Republic of Singapore) dbsngnk @ nus. edu. sg</mods:affiliation>
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<mods:namePart id="01BF6B984A5C55631C8936831F59BF58">Rodríguez Moreno, Paula A.</mods:namePart>
<mods:affiliation id="909BA73E19302007C0ECE92D92849BBC">Direction générale déléguée aux Collections, Muséum national dHistoire naturelle, case postale 30, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) martin-lefevre @ mnhn. fr Dedicated to the memory of Michael Türkay (1948 - 2015)</mods:affiliation>
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<treatment id="039387B2FF96262CFEDB1E66FB46F9B4" ID-DOI="http://doi.org/10.5281/zenodo.4383096" ID-GBIF-Taxon="176232324" ID-Zenodo-Dep="4383096" LSID="urn:lsid:plazi:treatment:039387B2FF96262CFEDB1E66FB46F9B4" httpUri="http://treatment.plazi.org/id/039387B2FF96262CFEDB1E66FB46F9B4" lastPageId="27" lastPageNumber="572" pageId="25" pageNumber="570">
<subSubSection id="C320652FFF96262EFEDB1E66FD87FB57" box="[288,619,1140,1166]" pageId="25" pageNumber="570" type="nomenclature">
<paragraph id="8B8536A4FF96262EFEDB1E66FD87FB57" blockId="25.[288,619,1140,1166]" box="[288,619,1140,1166]" pageId="25" pageNumber="570">
<heading id="D0CD81C8FF96262EFEDB1E66FD87FB57" box="[288,619,1140,1166]" centered="true" fontSize="11" level="2" pageId="25" pageNumber="570" reason="2">
Genus
<taxonomicName id="4C3A4D27FF96262EFE961E67FD87FB57" ID-CoL="7PDKP" authority="HelIer, 1862" authorityName="HelIer" authorityYear="1862" box="[365,619,1140,1166]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFE961E67FE36FB57" box="[365,474,1141,1166]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
HelIer, 1862
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="C320652FFF96262EFF7F1EBFFD66FB2D" pageId="25" pageNumber="570" type="materials_examined">
<paragraph id="8B8536A4FF96262EFF7F1EBFFD08FB1C" blockId="25.[132,740,1197,1221]" box="[132,740,1197,1221]" pageId="25" pageNumber="570">
<typeStatus id="54818806FF96262EFF7F1EBFFF59FB1A" box="[132,181,1197,1220]" pageId="25" pageNumber="570">TYPE</typeStatus>
SPECIES. —
<taxonomicName id="4C3A4D27FF96262EFED51EBCFDBAFB1C" authority="Heller, 1862" authorityName="Heller" authorityYear="1862" box="[302,598,1197,1221]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="politus">
<emphasis id="B94EEAB6FF96262EFED51EBCFE38FB1C" box="[302,468,1197,1221]" italics="true" pageId="25" pageNumber="570">Epigrapsus politus</emphasis>
Heller, 1862
</taxonomicName>
by monotypy.
</paragraph>
<paragraph id="8B8536A4FF96262EFF7F1ECCFD66FB2D" blockId="25.[132,650,1244,1270]" box="[132,650,1244,1270]" pageId="25" pageNumber="570">
OTHER SPECIES. —
<taxonomicName id="4C3A4D27FF96262EFEBE1ECFFD6AFB2D" authority="(Heller, 1865)" baseAuthorityName="Heller" baseAuthorityYear="1865" box="[325,646,1244,1269]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="notatus">
<emphasis id="B94EEAB6FF96262EFEBE1ECFFE1EFB2D" box="[325,498,1245,1268]" italics="true" pageId="25" pageNumber="570">Epigrapsus notatus</emphasis>
(Heller, 1865)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C320652FFF96262EFF7F1F06FA43FE08" pageId="25" pageNumber="570" type="diagnosis">
<paragraph id="8B8536A4FF96262EFF7F1F06FF16FAF5" blockId="25.[130,776,1300,2028]" box="[132,250,1300,1326]" pageId="25" pageNumber="570">DIAGNOSIS</paragraph>
<paragraph id="8B8536A4FF96262EFF7F1F21FA43FE08" blockId="25.[130,776,1300,2028]" lastBlockId="25.[811,1457,215,465]" pageId="25" pageNumber="570">
Carapace with lateral border defined in third part, and with weak subproximal indentation; no posterolateral striae. Proepistome as small plate inserted under lower frontal margin (
<bibRefCitation id="EFAB4B55FF96262EFD431F66FF51FA74" author="TAVARES M. D. S." pageId="25" pageNumber="570" refId="ref63319" refString="TAVARES M. D. S. 1989. - Sistematica filogenetica dos Gecarcinidae H. Milne Edwards (Crustacea, Brachyura). Unpublished master thesis, Universidade Federal do Rio de Janeiro, 163 p." type="book" year="1989">Tavares 1989</bibRefCitation>
: figs 5, 6). Orbit not closed laterally (
<bibRefCitation id="EFAB4B55FF96262EFD961F86FCECFA74" author="TAVARES M. D. S." box="[621,768,1427,1454]" pageId="25" pageNumber="570" refId="ref63319" refString="TAVARES M. D. S. 1989. - Sistematica filogenetica dos Gecarcinidae H. Milne Edwards (Crustacea, Brachyura). Unpublished master thesis, Universidade Federal do Rio de Janeiro, 163 p." type="book" year="1989">Tavares 1989</bibRefCitation>
: fig. 6), suborbital area granulated; suborbital crest very long, descending obliquely (instead of joining external angle of orbit), consisting of minute, close striae (stridulatory pars stridens), rubbing on ridge lined by short setae (plectrum) located on inner margin of P1 merus, present in both sexes. Male chelae with only minor heterochely or with clear heterochely (palm strongly inflated and with large gap between fingers). Thoracic sternum widened; sternite 1 small, triangular, seemingly fused with semi-ovate sternite 2 that bears medially setose transversal depression; suture 2/3 straight; sternites 3
<emphasis id="B94EEAB6FF96262EFDC11CC1FDA6F935" box="[570,586,1747,1772]" italics="true" pageId="25" pageNumber="570">+</emphasis>
4 not restricted at level of P1, thus with rather straight, obliquely directed margins; suture 7/8 short; sternite 7 wide; sternite 8 very wide, due to posterior emargination that does not reach sternite 7; only a minute portion of sternite 8 is dorsally exposed (below setae in
<emphasis id="B94EEAB6FF96262EFF201D60FEA0F855" box="[219,332,1906,1932]" italics="true" pageId="25" pageNumber="570">
<taxonomicName id="4C3A4D27FF96262EFF201D60FEA9F855" baseAuthorityName="Heller" baseAuthorityYear="1865" box="[219,325,1906,1932]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="notatus">E. notatus</taxonomicName>
)
</emphasis>
when pleon is folded; no median bridge. Median line on sternite 8 and extending on whole sternite 7; its distal portion bumping at level of suture 6/7 into a median, weakly raised area that superficially units both sides of sternal plate and becomes the bottom of sterno-pleonal cavity. Pleon triangular, with short somite 6; long telson. Male gonopore emerging rather far from P5 coxo-sternal condyle and suture 7/8, sternite 7 joining sternite 8 for a rather long distance. Locking button remarkably large and inflated, occupying more than the middle of sternite 5, with strongly granulated prominence; pleonal socket with markedly calcified margin. Presence of conspicuous setal coxal pouches between P3/P4.
</paragraph>
</subSubSection>
<subSubSection id="C320652FFF96262EFCD61BE5FC7DFDD6" box="[813,913,503,529]" pageId="25" pageNumber="570" type="discussion">
<paragraph id="8B8536A4FF96262EFCD61BE5FC7DFDD6" blockId="25.[811,1457,503,2028]" box="[813,913,503,529]" pageId="25" pageNumber="570">REMARKS</paragraph>
</subSubSection>
<subSubSection id="C320652FFF96262EFCD61805FB0DFA17" pageId="25" pageNumber="570" type="reference_group">
<paragraph id="8B8536A4FF96262EFCD61805FB20FD29" blockId="25.[811,1457,503,2028]" pageId="25" pageNumber="570">
<taxonomicName id="4C3A4D27FF96262EFCD61805FC77FDE9" ID-CoL="7PDKP" authorityName="HelIer" authorityYear="1862" box="[813,923,535,560]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFCD61805FC77FDE9" box="[813,923,535,560]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
, unusual among gecarcinids with regards to the relatively small size at &lt;
<quantity id="4CC29B41FF96262EFBC91824FB6EFD88" box="[1074,1154,566,593]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="25" pageNumber="570" unit="mm" value="40.0">40 mm</quantity>
cw and the flatter carapaces of the two known species,
<taxonomicName id="4C3A4D27FF96262EFBC51845FB70FDA9" ID-CoL="6FTKG" authorityName="Heller" authorityYear="1862" box="[1086,1180,598,624]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="politus">
<emphasis id="B94EEAB6FF96262EFBC51845FB70FDA9" box="[1086,1180,598,624]" italics="true" pageId="25" pageNumber="570">E. politus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF96262EFB361845FADFFDA9" ID-CoL="6G5KJ" baseAuthorityName="Heller" baseAuthorityYear="1865" box="[1229,1331,599,624]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="notatus">
<emphasis id="B94EEAB6FF96262EFB361845FADFFDA9" box="[1229,1331,599,624]" italics="true" pageId="25" pageNumber="570">E. notatus</emphasis>
</taxonomicName>
(see
<bibRefCitation id="EFAB4B55FF96262EFA981844FC9CFD49" author="TURKAY M." pageId="25" pageNumber="570" pagination="223 - 259" refId="ref63940" refString="TURKAY M. 1974 a. - Die Gecarcinidae Asiens und Ozeaniens (Crustacea: Decapoda). Senckenbergiana Biologcia 55 (4 - 6): 223 - 259." type="journal article" year="1974">Türkay 1974a</bibRefCitation>
;
<bibRefCitation id="EFAB4B55FF96262EFC7B1864FBCCFD49" author="NG P. K. L. &amp; LIU H. - C. &amp; WANG C. - H." box="[896,1056,630,656]" pageId="25" pageNumber="570" pagination="71 - 82" refId="ref59845" refString="NG P. K. L., LIU H. - C. &amp; WANG C. - H. 1998. - A newly recorded land crab, Epigrapsus notatus (Heller, 1865) (Crustacea: Decapoda: Brachyura: Gecarcinidae) from Taiwan. Journal of Taiwan Museum 51 (2): 71 - 82." type="journal article" year="1998">
Ng
<emphasis id="B94EEAB6FF96262EFC501865FC0CFD49" box="[939,992,630,656]" italics="true" pageId="25" pageNumber="570">et al.</emphasis>
1998
</bibRefCitation>
; Ng 2003;
<bibRefCitation id="EFAB4B55FF96262EFB581864FA8CFD48" author="LIU H. - C. &amp; JENG M. - S." box="[1187,1376,630,657]" pageId="25" pageNumber="570" pagination="135 - 140" refId="ref57107" refString="LIU H. - C. &amp; JENG M. - S. 2005. - Reproduction of Epigrapsus notatus (Brachyura: Gecarcinidae) in Taiwan. Journal of Crustacean Biology 25 (1): 135 - 140. https: // doi. org / 10.1651 / C- 2499" type="journal article" year="2005">Liu &amp; Jeng 2005</bibRefCitation>
;
<bibRefCitation id="EFAB4B55FF96262EFA8B1864FC89FD69" author="FUJITA Y." pageId="25" pageNumber="570" pagination="19 - 26" refId="ref52577" refString="FUJITA Y. 2017. - Distributional records of four rare land crabs (Gecarcinidae) in Sakishima Island Group, southern Ryukyus, Japan. Fauna Ryukyuana 36: 19 - 26. http: // w 3. u-ryukyu. ac. jp / naruse / lab / Fauna _ Ryukyuana. html" type="journal article" year="2017">Fujita 2017</bibRefCitation>
), was always considered apart from other land crabs.
<taxonomicName id="4C3A4D27FF96262EFCD618A4FBE9FD09" ID-CoL="8W94V" authority="Ng, 2003" authorityName="Ng" authorityYear="2003" box="[813,1029,693,720]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="villosus">
<emphasis id="B94EEAB6FF96262EFCD618A4FC78FD16" box="[813,916,693,719]" italics="true" pageId="25" pageNumber="570">E. villosus</emphasis>
Ng, 2003
</taxonomicName>
is actually a junior subjective synonym of
<taxonomicName id="4C3A4D27FF96262EFCB218C4FC5EFD36" ID-CoL="6G5KJ" baseAuthorityName="Heller" baseAuthorityYear="1865" box="[841,946,726,751]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="notatus">
<emphasis id="B94EEAB6FF96262EFCB218C4FC5EFD36" box="[841,946,726,751]" italics="true" pageId="25" pageNumber="570">E. notatus</emphasis>
</taxonomicName>
(see
<bibRefCitation id="EFAB4B55FF96262EFC1318C4FB53FD29" author="NARUSE T. &amp; SHIH H. T. &amp; FUJITA Y. &amp; MENDOZA J. C. &amp; NG P. K. L." box="[1000,1215,725,752]" pageId="25" pageNumber="570" pagination="208 - 216" refId="ref58310" refString="NARUSE T., SHIH H. T., FUJITA Y., MENDOZA J. C. &amp; NG P. K. L. 2018 b. - Size-associated morphological changes in Epigrapsus notatus (Heller, 1865) and the taxonomic status of E. villosus Ng, 2003 (Crustacea: Decapoda: Brachyura: Gecarcinidae). Raffles Bulletin of Zoology 66: 208 - 216." type="journal article" year="2018">
Naruse
<emphasis id="B94EEAB6FF96262EFBC718C4FB83FD36" box="[1084,1135,725,751]" italics="true" pageId="25" pageNumber="570">et al.</emphasis>
2018b
</bibRefCitation>
).
</paragraph>
<paragraph id="8B8536A4FF96262EFCB818E7FB0DFA17" blockId="25.[811,1457,503,2028]" pageId="25" pageNumber="570">
The disposition of the genital male region of
<taxonomicName id="4C3A4D27FF96262EFAF018E4FA98FCD6" ID-CoL="7PDKP" authorityName="HelIer" authorityYear="1862" box="[1291,1396,758,783]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFAF018E4FA98FCD6" box="[1291,1396,758,783]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
, with the gonopore remote from the P5 coxa, differs from those of
<taxonomicName id="4C3A4D27FF96262EFCD61927FC71FC96" ID-CoL="7NRWM" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[813,925,821,847]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFCD61927FC71FC96" box="[813,925,821,847]" italics="true" pageId="25" pageNumber="570">Cardisoma</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF96262EFC511927FBE2FC96" ID-CoL="7NX5F" authorityName="A. Milne-Edwards" authorityYear="1867" box="[938,1038,821,847]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFC511927FBE2FC96" box="[938,1038,821,847]" italics="true" pageId="25" pageNumber="570">Discoplax</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF96262EFBBA1927FB57FC96" ID-CoL="848YV" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[1089,1211,821,847]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF96262EFBBA1927FB57FC96" box="[1089,1211,821,847]" italics="true" pageId="25" pageNumber="570">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF96262EFB3A1924FAE6FC96" box="[1217,1290,822,848]" pageId="25" pageNumber="570" rank="genus">n. gen.</taxonomicNameLabel>
and is closer to those of other gecarcinids
<taxonomicName id="4C3A4D27FF96262EFBBA1947FB5DFCB6" ID-CoL="7P39R" authorityName="Leach" authorityYear="1814" box="[1089,1201,853,879]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFBBA1947FB5DFCB6" box="[1089,1201,853,879]" italics="true" pageId="25" pageNumber="570">Gecarcinus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF96262EFB461947FADBFCB6" ID-CoL="7PLWS" authorityName="Turkay" authorityYear="1970" box="[1213,1335,853,879]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFB461947FADBFCB6" box="[1213,1335,853,879]" italics="true" pageId="25" pageNumber="570">Johngarthia</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF96262EFA911947FC86FC56" ID-CoL="7PGMV" authorityName="H. Milne Edwards" authorityYear="1837" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFA911947FC86FC56" italics="true" pageId="25" pageNumber="570">Gecarcoidea</emphasis>
</taxonomicName>
studied below.The larval morphology (
<bibRefCitation id="EFAB4B55FF96262EFB0D1967FA44FC56" author="CUESTA J. A. &amp; LIU H. - C. &amp; SCHUBART C. D." box="[1270,1448,885,911]" pageId="25" pageNumber="570" pagination="1671 - 1685" refId="ref50286" refString="CUESTA J. A., LIU H. - C. &amp; SCHUBART C. D. 2002. - First zoeal stages of Epigrapsus politus Heller, E. notatus (Heller) and Gecarcoidea lalandii H. Milne-Edwards, with remarks on zoeal morphology of the Gecarcinidae Macleay [sic] (Crustacea: Brachyura). Journal of Natural History 36 (14): 1671 - 1685. https: // doi. org / 10.1080 / 00222930110059673" type="journal article" year="2002">
Cuesta
<emphasis id="B94EEAB6FF96262EFABB1964FA83FC56" box="[1344,1391,885,911]" italics="true" pageId="25" pageNumber="570">et al.</emphasis>
2002
</bibRefCitation>
,
<bibRefCitation id="EFAB4B55FF96262EFCD61987FC88FC76" author="CUESTA J. A. &amp; GUERRERO M. &amp; HENDRICKX M. E." box="[813,868,917,943]" pageId="25" pageNumber="570" pagination="263 - 277" refId="ref50504" refString="CUESTA J. A., GARCIA- GUERRERO M. &amp; HENDRICKX M. E. 2007. - The complete larval development of Johngarthia planatus (Brachyura: Grapsoidea: Gecarcinidae) described from laboratory reared material, with notes on the affinity of Gecarcinus and Johngarthia. Journal of Crustacean Biology 27 (2): 263 - 277. https: // doi. org / 10.1651 / C- 2642.1" type="journal article" year="2007">2007</bibRefCitation>
) shows close relationships of
<taxonomicName id="4C3A4D27FF96262EFB6E1984FAECFC76" ID-CoL="7PDKP" authorityName="HelIer" authorityYear="1862" box="[1173,1280,918,943]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFB6E1984FAECFC76" box="[1173,1280,918,943]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
with this second subclade of gecarcinids. In contrast, the opened orbit with a long suborbital crest (see
<bibRefCitation id="EFAB4B55FF96262EFBC119C7FB3FFC37" author="NG P. K. L. &amp; LIU H. - C. &amp; WANG C. - H." box="[1082,1235,980,1007]" pageId="25" pageNumber="570" pagination="71 - 82" refId="ref59845" refString="NG P. K. L., LIU H. - C. &amp; WANG C. - H. 1998. - A newly recorded land crab, Epigrapsus notatus (Heller, 1865) (Crustacea: Decapoda: Brachyura: Gecarcinidae) from Taiwan. Journal of Taiwan Museum 51 (2): 71 - 82." type="journal article" year="1998">
Ng
<emphasis id="B94EEAB6FF96262EFB9819C7FB7AFC37" box="[1123,1174,980,1006]" italics="true" pageId="25" pageNumber="570">et al.</emphasis>
1998
</bibRefCitation>
b: fig. 2c), forming a pars stridens, looks more like the disposition of
<taxonomicName id="4C3A4D27FF96262EFAE019E6FA92FBD7" ID-CoL="7NX5F" authorityName="A. Milne-Edwards" authorityYear="1867" box="[1307,1406,1012,1038]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFAE019E6FA92FBD7" box="[1307,1406,1012,1038]" italics="true" pageId="25" pageNumber="570">Discoplax</emphasis>
</taxonomicName>
, but the direction of suborbital crest is opposite: joining the orbit via a short granulous line in
<taxonomicName id="4C3A4D27FF96262EFB931E26FB20FB97" ID-CoL="7NX5F" authorityName="A. Milne-Edwards" authorityYear="1867" box="[1128,1228,1076,1102]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFB931E26FB20FB97" box="[1128,1228,1076,1102]" italics="true" pageId="25" pageNumber="570">Discoplax</emphasis>
</taxonomicName>
, vs longer, obliquely descending, not connected to orbit in
<taxonomicName id="4C3A4D27FF96262EFB341E47FAD0FBB7" ID-CoL="7PDKP" authorityName="HelIer" authorityYear="1862" box="[1231,1340,1109,1134]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFB341E47FAD0FBB7" box="[1231,1340,1109,1134]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
. The presence in
<taxonomicName id="4C3A4D27FF96262EFC7F1E67FC1DFB57" ID-CoL="7PDKP" authorityName="HelIer" authorityYear="1862" box="[900,1009,1141,1166]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFC7F1E67FC1DFB57" box="[900,1009,1141,1166]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
of a thick setal coxa pouch between P3/ P4 is unique to
<taxonomicName id="4C3A4D27FF96262EFC211E86FB86FB77" ID-CoL="7NHMX" authorityName="H. Milne Edwards" authorityYear="1837" box="[986,1130,1172,1198]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
. Species of the first gecarcinid subclade, i.e.,
<taxonomicName id="4C3A4D27FF96262EFC3E1EA6FBD9FB17" ID-CoL="7NRWM" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[965,1077,1204,1230]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFC3E1EA6FBD9FB17" box="[965,1077,1204,1230]" italics="true" pageId="25" pageNumber="570">Cardisoma</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF96262EFBB81EA6FB4BFB17" ID-CoL="7NX5F" authorityName="A. Milne-Edwards" authorityYear="1867" box="[1091,1191,1204,1230]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFBB81EA6FB4BFB17" box="[1091,1191,1204,1230]" italics="true" pageId="25" pageNumber="570">Discoplax</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF96262EFB261EA6FABBFB17" ID-CoL="848YV" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[1245,1367,1204,1230]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF96262EFB261EA6FABBFB17" box="[1245,1367,1204,1230]" italics="true" pageId="25" pageNumber="570">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF96262EFAA51EA6FA47FB17" box="[1374,1451,1204,1230]" pageId="25" pageNumber="570" rank="genus">n. gen.</taxonomicNameLabel>
, lack setal coxal pouches and do not show distinct external terrestrial adaptations, except the inflated lateral regions of carapace to accommodate the the highly modified respiratory structures. The second gecarcinid subclade including
<taxonomicName id="4C3A4D27FF96262EFA931F26FC8EFAB4" ID-CoL="7P39R" authorityName="Leach" authorityYear="1814" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFA931F26FC8EFAB4" italics="true" pageId="25" pageNumber="570">Gecarcinus</emphasis>
</taxonomicName>
(
<figureCitation id="13012A21FF96262EFC8A1F41FC5DFAB4" box="[881,945,1363,1389]" captionStart="FIG" captionStartId="26.[132,143,1934,1952]" captionTargetBox="[376,1213,217,1891]" captionTargetId="figure-115@26.[334,865,772,1334]" captionTargetPageId="26" captionText="FIG. 7. —Thoracic sternum and frontal view: A-D, Gecarcinus ruricola (Linnaeus, 1758), ♂ 55.0× 76.0 mm, Cuba, MNHN-IU-2017-8392 (= MNHN-B13155); E-H, Gecarcoidea lalandii H. Milne Edwards, 1837, ♂ 52.0 × 73.3 mm, Papua New Guinea, MNHN-IU-2013-13254: A, E: thoracic sternum (brushed) with pleon; B, F, thoracic sternum (brushed) without pleon; C, G: genital region with gonopore and penis, D, H, front, proepistome, cephalic appendages, orbit and mxp3. Scale bars: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4336888" httpUri="https://zenodo.org/record/4336888/files/figure.png" pageId="25" pageNumber="570">Fig. 7</figureCitation>
A-C),
<taxonomicName id="4C3A4D27FF96262EFC031F41FB9EFAB4" ID-CoL="7PLWS" authorityName="Turkay" authorityYear="1970" box="[1016,1138,1363,1389]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFC031F41FB9EFAB4" box="[1016,1138,1363,1389]" italics="true" pageId="25" pageNumber="570">Johngarthia</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF96262EFB501F41FACBFAB4" ID-CoL="7PGMV" authorityName="H. Milne Edwards" authorityYear="1837" box="[1195,1319,1363,1389]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFB501F41FACBFAB4" box="[1195,1319,1363,1389]" italics="true" pageId="25" pageNumber="570">Gecarcoidea</emphasis>
</taxonomicName>
(
<figureCitation id="13012A21FF96262EFACC1F41FA9BFAB4" box="[1335,1399,1363,1389]" captionStart="FIG" captionStartId="26.[132,143,1934,1952]" captionTargetBox="[376,1213,217,1891]" captionTargetId="figure-115@26.[334,865,772,1334]" captionTargetPageId="26" captionText="FIG. 7. —Thoracic sternum and frontal view: A-D, Gecarcinus ruricola (Linnaeus, 1758), ♂ 55.0× 76.0 mm, Cuba, MNHN-IU-2017-8392 (= MNHN-B13155); E-H, Gecarcoidea lalandii H. Milne Edwards, 1837, ♂ 52.0 × 73.3 mm, Papua New Guinea, MNHN-IU-2013-13254: A, E: thoracic sternum (brushed) with pleon; B, F, thoracic sternum (brushed) without pleon; C, G: genital region with gonopore and penis, D, H, front, proepistome, cephalic appendages, orbit and mxp3. Scale bars: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4336888" httpUri="https://zenodo.org/record/4336888/files/figure.png" pageId="25" pageNumber="570">Fig. 7</figureCitation>
E-G) have dense tufts of hydrophilic setae that are located along the margins of the pleon and at its junction with the carapace (see Terrestrial adaptations of grapsoids).
</paragraph>
</subSubSection>
<subSubSection id="C320652FFF96262CFCB81FC1FAB0FE08" lastPageId="27" lastPageNumber="572" pageId="25" pageNumber="570" type="description">
<paragraph id="8B8536A4FF96262EFCB81FC1FBC8F8D5" blockId="25.[811,1457,503,2028]" pageId="25" pageNumber="570">
Two
<typeStatus id="54818806FF96262EFC8D1FC1FC40FA34" box="[886,940,1491,1517]" pageId="25" pageNumber="570">types</typeStatus>
of male chelae have been found in the two species of
<taxonomicName id="4C3A4D27FF96262EFCB31FE1FC59F9D5" authorityName="HelIer" authorityYear="1862" box="[840,949,1523,1548]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFCB31FE1FC59F9D5" box="[840,949,1523,1548]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFAB4B55FF96262EFC221FE1FB5FF9D4" author="HARTNOLL R. G. &amp; WEBER N. &amp; WEBER S. B. &amp; LIU H. - C." box="[985,1203,1523,1549]" pageId="25" pageNumber="570" pagination="931 - 951" refId="ref54521" refString="HARTNOLL R. G., WEBER N., WEBER S. B. &amp; LIU H. - C. 2017. - Polymorphism in the chelae of mature males of the land crabs Johngarthia lagostoma and Epigrapsus spp., in Michael Turkay Memorial Issue. Crustaceana 90 (7 - 10): 931 - 951." type="journal article" year="2017">
Hartnoll
<emphasis id="B94EEAB6FF96262EFBC71FE1FB82F9D4" box="[1084,1134,1523,1549]" italics="true" pageId="25" pageNumber="570">et al.</emphasis>
(2017
</bibRefCitation>
: figs 3-5, tables 2-4). In both
<taxonomicName id="4C3A4D27FF96262EFC9E1C01FC20F9F5" baseAuthorityName="Heller" baseAuthorityYear="1865" box="[869,972,1555,1580]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="notatus">
<emphasis id="B94EEAB6FF96262EFC9E1C01FC20F9F5" box="[869,972,1555,1580]" italics="true" pageId="25" pageNumber="570">E. notatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF96262EFC041C01FBB3F9F5" authorityName="Heller" authorityYear="1862" box="[1023,1119,1554,1580]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="politus">
<emphasis id="B94EEAB6FF96262EFC041C01FBB3F9F5" box="[1023,1119,1554,1580]" italics="true" pageId="25" pageNumber="570">E. politus</emphasis>
</taxonomicName>
, males either have morphologically similar chelae with minimal heterochely, or show a clear heterochely with different morphologies in the major and minor chelae; the proportion of heterochelous males increases in the larger mature size classes. Progressive polymorphism (i.e., when different chelar morphologies succeed each other within the mature phase, as recorded in
<taxonomicName id="4C3A4D27FF96262EFB3C1CC0FA4AF935" baseAuthorityName="H. Milne Edwards" baseAuthorityYear="1837" box="[1223,1446,1746,1772]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="species" species="lagostoma">
<emphasis id="B94EEAB6FF96262EFB3C1CC0FA4AF935" box="[1223,1446,1746,1772]" italics="true" pageId="25" pageNumber="570">Johngarthia lagostoma</emphasis>
</taxonomicName>
) needs to be confirmed.
</paragraph>
<paragraph id="8B8536A4FF96262EFCB81D00FBFBF835" blockId="25.[811,1457,503,2028]" pageId="25" pageNumber="570">
Some aspects of the reproduction of both
<taxonomicName id="4C3A4D27FF96262EFB0C1D00FA8EF8F2" authorityName="HelIer" authorityYear="1862" box="[1271,1378,1810,1835]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFB0C1D00FA8EF8F2" box="[1271,1378,1810,1835]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
species are also unusual: the fast and vigorous larval release behaviour (ovigerous females shake their whole body laterally to release the larvae instead of using fanning motions of the pleon) and the choice of surge channels as release sites (
<bibRefCitation id="EFAB4B55FF96262EFB151D83FA72F875" author="LIU H. - C. &amp; JENG M. - S." box="[1262,1438,1937,1964]" pageId="25" pageNumber="570" pagination="135 - 140" refId="ref57107" refString="LIU H. - C. &amp; JENG M. - S. 2005. - Reproduction of Epigrapsus notatus (Brachyura: Gecarcinidae) in Taiwan. Journal of Crustacean Biology 25 (1): 135 - 140. https: // doi. org / 10.1651 / C- 2499" type="journal article" year="2005">Liu &amp; Jeng 2005</bibRefCitation>
). The affinities of
<taxonomicName id="4C3A4D27FF96262EFC271DA0FBA5F812" authorityName="HelIer" authorityYear="1862" box="[988,1097,1970,1995]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="25" pageNumber="570" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF96262EFC271DA0FBA5F812" box="[988,1097,1970,1995]" italics="true" pageId="25" pageNumber="570">Epigrapsus</emphasis>
</taxonomicName>
are so ambiguous to the point of questioning its status.
</paragraph>
<caption id="DF45662CFF95262DFF7F1D9CFECBF83C" ID-DOI="http://doi.org/10.5281/zenodo.4336888" ID-Zenodo-Dep="4336888" httpUri="https://zenodo.org/record/4336888/files/figure.png" pageId="26" pageNumber="571" startId="26.[132,143,1934,1952]" targetBox="[376,1213,217,1891]" targetPageId="26">
<paragraph id="8B8536A4FF95262DFF7F1D9CFECBF83C" blockId="26.[130,1457,1934,2021]" pageId="26" pageNumber="571">
FIG. 7. —Thoracic sternum and frontal view:
<emphasis id="B94EEAB6FF95262DFDF81D9CFDC9F879" bold="true" box="[515,549,1934,1952]" pageId="26" pageNumber="571">A -D</emphasis>
,
<taxonomicName id="4C3A4D27FF95262DFDCA1D9CFC80F879" authority="(Linnaeus, 1758)" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[561,876,1934,1952]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="26" pageNumber="571" phylum="Arthropoda" rank="species" species="ruricola">
<emphasis id="B94EEAB6FF95262DFDCA1D9CFD3AF879" box="[561,726,1934,1952]" italics="true" pageId="26" pageNumber="571">Gecarcinus ruricola</emphasis>
(Linnaeus, 1758)
</taxonomicName>
, ♂ 55.0
<emphasis id="B94EEAB6FF95262DFC491D9CFC51F879" box="[946,957,1934,1952]" italics="true" pageId="26" pageNumber="571">×</emphasis>
76.0 mm, Cuba, MNHN-IU-2017-8392 (= MNHN-B13155);
<emphasis id="B94EEAB6FF95262DFF791DB7FF4FF86E" bold="true" box="[130,163,1957,1975]" pageId="26" pageNumber="571">E -H</emphasis>
,
<taxonomicName id="4C3A4D27FF95262DFF4B1DB7FDCBF86E" authority="H. Milne Edwards, 1837" authorityName="H. Milne Edwards" authorityYear="1837" box="[176,551,1957,1975]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="26" pageNumber="571" phylum="Arthropoda" rank="species" species="lalandii">
<emphasis id="B94EEAB6FF95262DFF4B1DB7FEB4F86E" box="[176,344,1957,1975]" italics="true" pageId="26" pageNumber="571">Gecarcoidea lalandii</emphasis>
H. Milne Edwards, 1837
</taxonomicName>
, ♂ 52.0
<emphasis id="B94EEAB6FF95262DFD911DB7FD99F86E" box="[618,629,1957,1975]" italics="true" pageId="26" pageNumber="571">×</emphasis>
73.3 mm, Papua New Guinea, MNHN-IU-2013-13254:
<emphasis id="B94EEAB6FF95262DFBBB1DB7FBA1F86E" bold="true" box="[1088,1101,1957,1975]" pageId="26" pageNumber="571">A</emphasis>
,
<emphasis id="B94EEAB6FF95262DFBAC1DB7FB85F86E" bold="true" box="[1111,1129,1957,1975]" pageId="26" pageNumber="571">E:</emphasis>
thoracic sternum (brushed) with pleon;
<emphasis id="B94EEAB6FF95262DFF7F1DAEFF7DF817" bold="true" box="[132,145,1980,1998]" pageId="26" pageNumber="571">B</emphasis>
,
<emphasis id="B94EEAB6FF95262DFF671DAEFF4BF817" bold="true" box="[156,167,1980,1998]" pageId="26" pageNumber="571">F</emphasis>
, thoracic sternum (brushed) without pleon;
<emphasis id="B94EEAB6FF95262DFDEE1DAEFDCFF817" bold="true" box="[533,547,1980,1998]" pageId="26" pageNumber="571">C</emphasis>
,
<emphasis id="B94EEAB6FF95262DFDD61DAEFDADF817" bold="true" box="[557,577,1980,1998]" pageId="26" pageNumber="571">G:</emphasis>
genital region with gonopore and penis,
<emphasis id="B94EEAB6FF95262DFC6C1DAEFC49F817" bold="true" box="[919,933,1980,1998]" pageId="26" pageNumber="571">D</emphasis>
,
<emphasis id="B94EEAB6FF95262DFC541DAEFC51F817" bold="true" box="[943,957,1980,1998]" pageId="26" pageNumber="571">H</emphasis>
, front, proepistome, cephalic appendages, orbit and mxp3. Scale bars: 10 mm.
</paragraph>
</caption>
<paragraph id="8B8536A4FF94262CFF7F1ACAFD4DFF29" blockId="27.[130,777,216,2028]" box="[132,673,216,242]" pageId="27" pageNumber="572">LARVAL CHARACTERS AND MOLECULAR PHYLOGENY</paragraph>
<paragraph id="8B8536A4FF94262CFF7F1AEFFDFDFEC9" blockId="27.[130,777,216,2028]" box="[132,529,253,272]" pageId="27" pageNumber="572">OF THE TWO GECARCINID SUBCLADES</paragraph>
<paragraph id="8B8536A4FF94262CFF7F1B05FD60FE28" blockId="27.[130,777,216,2028]" pageId="27" pageNumber="572">
Morphological features of
<taxonomicName id="4C3A4D27FF94262CFE721B05FE1EFEE8" authorityName="Leach" authorityYear="1814" box="[393,498,279,305]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE721B05FE1EFEE8" box="[393,498,279,305]" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFE051B05FD9EFEE8" authorityName="H. Milne Edwards" authorityYear="1837" box="[510,626,279,305]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE051B05FD9EFEE8" box="[510,626,279,305]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFD5A1B0AFCEBFEE8" authorityName="HelIer" authorityYear="1862" box="[673,775,280,305]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFD5A1B0AFCEBFEE8" box="[673,775,280,305]" italics="true" pageId="27" pageNumber="572">Epigrapsus</emphasis>
</taxonomicName>
allow differentiation of two distinct gecarcinid subclades. In the cladistic analyses of
<bibRefCitation id="EFAB4B55FF94262CFE8C1B45FDF8FEA8" author="TAVARES M. D. S." box="[375,532,343,369]" pageId="27" pageNumber="572" refId="ref63319" refString="TAVARES M. D. S. 1989. - Sistematica filogenetica dos Gecarcinidae H. Milne Edwards (Crustacea, Brachyura). Unpublished master thesis, Universidade Federal do Rio de Janeiro, 163 p." type="book" year="1989">Tavares (1989)</bibRefCitation>
, which showed a sistergroup relationship of Gecarcinidae-Grapsidae,
<taxonomicName id="4C3A4D27FF94262CFD811B65FCEAFE48" authorityName="H. Milne Edwards" authorityYear="1837" box="[634,774,375,401]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
was separated in at least two subclades:
<emphasis id="B94EEAB6FF94262CFDE01B84FCEAFE69" box="[539,774,406,432]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFDE01B84FD66FE69" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[539,650,406,432]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Cardisoma</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFD581B84FCEAFE69" authorityName="A. Milne-Edwards" authorityYear="1867" box="[675,774,406,432]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Discoplax</taxonomicName>
</emphasis>
and
<taxonomicName id="4C3A4D27FF94262CFF4E1BA5FEC9FE08" authorityName="Leach" authorityYear="1814" box="[181,293,439,465]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFF4E1BA5FEC9FE08" box="[181,293,439,465]" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
(including
<taxonomicName id="4C3A4D27FF94262CFE5C1BA4FDCDFE09" authorityName="Turkay" authorityYear="1970" box="[423,545,438,464]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE5C1BA4FDCDFE09" box="[423,545,438,464]" italics="true" pageId="27" pageNumber="572">Johngarthia</emphasis>
</taxonomicName>
)
<emphasis id="B94EEAB6FF94262CFDC91BA5FD2BFE09" box="[562,711,438,464]" italics="true" pageId="27" pageNumber="572">
+
<taxonomicName id="4C3A4D27FF94262CFDB01BA4FD2BFE09" authorityName="H. Milne Edwards" authorityYear="1837" box="[587,711,438,464]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcoidea</taxonomicName>
</emphasis>
, with
<taxonomicName id="4C3A4D27FF94262CFF7F1BC5FF1DFE29" authorityName="HelIer" authorityYear="1862" box="[132,241,471,496]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFF7F1BC5FF1DFE29" box="[132,241,471,496]" italics="true" pageId="27" pageNumber="572">Epigrapsus</emphasis>
</taxonomicName>
seemingly closer to the second group.
</paragraph>
<paragraph id="8B8536A4FF94262CFF601BE4FDF0FD69" blockId="27.[130,777,216,2028]" pageId="27" pageNumber="572">
The recent data from larval morphology or genetic analyses must take into account that
<taxonomicName id="4C3A4D27FF94262CFE501804FD81FDE9" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" baseAuthorityYear="2018" box="[427,621,534,560]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes">
<emphasis id="B94EEAB6FF94262CFE501804FD81FDE9" box="[427,621,534,560]" italics="true" pageId="27" pageNumber="572">Cardisoma hirtipes</emphasis>
</taxonomicName>
is hereby considered to be not a
<taxonomicName id="4C3A4D27FF94262CFEAB1824FE2CFD89" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[336,448,566,592]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFEAB1824FE2CFD89" box="[336,448,566,592]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
or a
<taxonomicName id="4C3A4D27FF94262CFE0D1824FDB6FD89" authorityName="A. Milne-Edwards" authorityYear="1867" box="[502,602,566,592]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE0D1824FDB6FD89" box="[502,602,566,592]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
and is assigned, instead, to another genus that we introduce,
<taxonomicName id="4C3A4D27FF94262CFD731844FCEAFDA9" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[648,774,598,624]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF94262CFD731844FCEAFDA9" box="[648,774,598,624]" italics="true" pageId="27" pageNumber="572">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFF7F1864FF20FD49" box="[132,204,630,656]" pageId="27" pageNumber="572" rank="genus">n. gen.</taxonomicNameLabel>
The results of our proposals for the new generic names of gecarcinids are provided in
<tableCitation id="C6B8031FFF94262CFE3E1884FDFAFD69" box="[453,534,662,688]" captionStart="TABLE" captionStartId="23.[144,155,218,236]" captionText="TABLE 1. — New nomenclatural terminology proposed for the Gecarcinidae." pageId="27" pageNumber="572">Table 1</tableCitation>
.
</paragraph>
<paragraph id="8B8536A4FF94262CFF6018A7FD98FA74" blockId="27.[130,777,216,2028]" pageId="27" pageNumber="572">
Larval characters emphasize the need to split the family
<taxonomicName id="4C3A4D27FF94262CFF7D18C7FEF8FD36" authorityName="H. Milne Edwards" authorityYear="1837" box="[134,276,725,751]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
(
<bibRefCitation id="EFAB4B55FF94262CFEDE18C7FE2EFD29" author="WILLEMS K. A." box="[293,450,725,752]" pageId="27" pageNumber="572" pagination="180 - 201" refId="ref64749" refString="WILLEMS K. A. 1982. - Larval development of the land crab Gecarcinus lateralis lateralis (Freminville, 1835) (Brachyura: Gecarcinidae) reared in the laboratory. Journal of Crustacean Biology 2: 180 - 201." type="journal article" year="1982">Willems 1982</bibRefCitation>
; Shokita &amp; Shikatani 1990). According to
<bibRefCitation id="EFAB4B55FF94262CFEE718E7FE1AFCC9" author="CUESTA J. A. &amp; LIU H. - C. &amp; SCHUBART C. D." box="[284,502,757,784]" pageId="27" pageNumber="572" pagination="1671 - 1685" refId="ref50286" refString="CUESTA J. A., LIU H. - C. &amp; SCHUBART C. D. 2002. - First zoeal stages of Epigrapsus politus Heller, E. notatus (Heller) and Gecarcoidea lalandii H. Milne-Edwards, with remarks on zoeal morphology of the Gecarcinidae Macleay [sic] (Crustacea: Brachyura). Journal of Natural History 36 (14): 1671 - 1685. https: // doi. org / 10.1080 / 00222930110059673" type="journal article" year="2002">
Cuesta
<emphasis id="B94EEAB6FF94262CFE9518E4FE48FCD6" box="[366,420,757,783]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2002)
</bibRefCitation>
zoeal features supported the recognition of two major groups:
<taxonomicName id="4C3A4D27FF94262CFDE61904FD66FCF6" authorityName="HelIer" authorityYear="1862" box="[541,650,790,815]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFDE61904FD66FCF6" box="[541,650,790,815]" italics="true" pageId="27" pageNumber="572">Epigrapsus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFD6D1904FCEAFCE9" authorityName="Leach" authorityYear="1814" box="[662,774,790,816]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFD6D1904FCEAFCE9" box="[662,774,790,816]" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFF481927FEC3FC96" authorityName="H. Milne Edwards" authorityYear="1837" box="[179,303,821,847]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFF481927FEC3FC96" box="[179,303,821,847]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
on one hand, and
<taxonomicName id="4C3A4D27FF94262CFE0C1927FD8BFC96" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[503,615,821,847]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE0C1927FD8BFC96" box="[503,615,821,847]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
(
<taxonomicName id="4C3A4D27FF94262CFD8D1924FD13FC96" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[630,767,821,848]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="guanhumi">
<emphasis id="B94EEAB6FF94262CFD8D1924FD13FC96" box="[630,767,821,848]" italics="true" pageId="27" pageNumber="572">C. guanhumi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFF7F1947FF1BFCB6" baseAuthorityName="Herbst" baseAuthorityYear="1796" box="[132,247,853,879]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="carnifex">
<emphasis id="B94EEAB6FF94262CFF7F1947FF1BFCB6" box="[132,247,853,879]" italics="true" pageId="27" pageNumber="572">C. carnifex</emphasis>
</taxonomicName>
) and
<taxonomicName id="4C3A4D27FF94262CFEC31947FDE9FCB6" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[312,517,853,879]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFEC31947FDE9FCB6" box="[312,517,853,879]" italics="true" pageId="27" pageNumber="572">Tuerkayana hirtipes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFDF61944FD82FCB6" box="[525,622,853,880]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
(as
<taxonomicName id="4C3A4D27FF94262CFD611947FD12FCB6" authorityName="A. Milne-Edwards" authorityYear="1867" box="[666,766,853,879]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFD611947FD12FCB6" box="[666,766,853,879]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
) on the other hand, the setation of the maxillar endopodite separating the latter group from the rest of the
<taxonomicName id="4C3A4D27FF94262CFD881987FCEFFC76" authorityName="H. Milne Edwards" authorityYear="1837" box="[627,771,917,943]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
. Based on overall similarities of zoeal morphology,
<bibRefCitation id="EFAB4B55FF94262CFD4119A7FEE1FC36" author="CUESTA J. A. &amp; LIU H. - C. &amp; SCHUBART C. D." pageId="27" pageNumber="572" pagination="1671 - 1685" refId="ref50286" refString="CUESTA J. A., LIU H. - C. &amp; SCHUBART C. D. 2002. - First zoeal stages of Epigrapsus politus Heller, E. notatus (Heller) and Gecarcoidea lalandii H. Milne-Edwards, with remarks on zoeal morphology of the Gecarcinidae Macleay [sic] (Crustacea: Brachyura). Journal of Natural History 36 (14): 1671 - 1685. https: // doi. org / 10.1080 / 00222930110059673" type="journal article" year="2002">
Cuesta
<emphasis id="B94EEAB6FF94262CFF7F19C7FF56FC37" box="[132,186,980,1006]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2002)
</bibRefCitation>
and
<bibRefCitation id="EFAB4B55FF94262CFEBC19C7FDA2FC36" author="CUESTA J. A. &amp; ANGER K." box="[327,590,980,1007]" pageId="27" pageNumber="572" pagination="640 - 654" refId="ref49988" refString="CUESTA J. A. &amp; ANGER K. 2005. - Larval morphology and salinity tolerance of a land crab from west Africa, Cardisoma armatum (Brachyura: Grapsoidea: Gecarcinidae). Journal of Crustacean Biology 25 (4): 640 - 654. https: // doi. org / 10.1651 / C- 2551.1" type="journal article" year="2005">Cuesta &amp; Anger (2005)</bibRefCitation>
suggested affinities of the group
<emphasis id="B94EEAB6FF94262CFEC019E7FD3CFBD7" box="[315,720,1012,1039]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFEC019E7FE47FBD6" authorityName="Leach" authorityYear="1814" box="[315,427,1013,1039]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcinus</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFE3219E6FDA9FBD7" authorityName="H. Milne Edwards" authorityYear="1837" box="[457,581,1012,1038]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcoidea</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFD9819E7FD3CFBD7" authorityName="HelIer" authorityYear="1862" box="[611,720,1013,1038]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Epigrapsus</taxonomicName>
</emphasis>
with
<taxonomicName id="4C3A4D27FF94262CFF7F1E06FF19FBF7" authorityName="H. Milne Edwards" authorityYear="1853" box="[132,245,1044,1070]" class="Malacostraca" family="Varunidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Varunidae</taxonomicName>
, whereas
<taxonomicName id="4C3A4D27FF94262CFEA51E06FE22FBF7" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[350,462,1044,1070]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFEA51E06FE22FBF7" box="[350,462,1044,1070]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
(our
<emphasis id="B94EEAB6FF94262CFDF71E06FD11FBF7" box="[524,765,1044,1070]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFDF71E06FD54FBF7" box="[524,696,1044,1070]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="sensu">
Cardisoma
<taxonomicNameLabel id="A27D57CDFF94262CFD7F1E07FD54FBF7" box="[644,696,1045,1070]" pageId="27" pageNumber="572" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
) and
<taxonomicName id="4C3A4D27FF94262CFF4F1E26FE6DFB97" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[180,385,1076,1102]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFF4F1E26FE6DFB97" box="[180,385,1076,1102]" italics="true" pageId="27" pageNumber="572">Tuerkayana hirtipes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFE721E27FE06FB97" box="[393,490,1076,1103]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
(as
<taxonomicName id="4C3A4D27FF94262CFDEE1E26FD95FB97" authorityName="A. Milne-Edwards" authorityYear="1867" box="[533,633,1076,1102]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFDEE1E26FD95FB97" box="[533,633,1076,1102]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
) shared with
<taxonomicName id="4C3A4D27FF94262CFF7E1E46FF13FBB7" authorityName="Dana" authorityYear="1851" box="[133,255,1108,1134]" class="Malacostraca" family="Sesarmidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Sesarmidae</taxonomicName>
antennal and pleonal morphologies, as well as the setation pattern of the maxillar endopodite. A new review of zoeal features of gecarcinids, with more complete data (
<bibRefCitation id="EFAB4B55FF94262CFF3F1EA6FE69FB17" author="CUESTA J. A. &amp; GUERRERO M. &amp; HENDRICKX M. E." box="[196,389,1204,1230]" pageId="27" pageNumber="572" pagination="263 - 277" refId="ref50504" refString="CUESTA J. A., GARCIA- GUERRERO M. &amp; HENDRICKX M. E. 2007. - The complete larval development of Johngarthia planatus (Brachyura: Grapsoidea: Gecarcinidae) described from laboratory reared material, with notes on the affinity of Gecarcinus and Johngarthia. Journal of Crustacean Biology 27 (2): 263 - 277. https: // doi. org / 10.1651 / C- 2642.1" type="journal article" year="2007">
Cuesta
<emphasis id="B94EEAB6FF94262CFEE91EA7FEAAFB17" box="[274,326,1204,1230]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
2007
</bibRefCitation>
: tables 5, 6) distinguished the same two groups: one with
<emphasis id="B94EEAB6FF94262CFE881EC6FD88FB34" box="[371,612,1236,1262]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFE881EC6FDF3FB34" box="[371,543,1236,1262]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="sensu">
Cardisoma
<taxonomicNameLabel id="A27D57CDFF94262CFE101EC6FDF3FB34" box="[491,543,1236,1261]" pageId="27" pageNumber="572" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
(
<taxonomicName id="4C3A4D27FF94262CFD8E1EC6FD13FB37" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" box="[629,767,1236,1262]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="guanhumi">
<emphasis id="B94EEAB6FF94262CFD8E1EC6FD13FB37" box="[629,767,1236,1262]" italics="true" pageId="27" pageNumber="572">C. guanhumi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFF7F1EE6FF14FAD7" baseAuthorityName="Herbst" baseAuthorityYear="1796" box="[132,248,1268,1294]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="carnifex">
<emphasis id="B94EEAB6FF94262CFF7F1EE6FF14FAD7" box="[132,248,1268,1294]" italics="true" pageId="27" pageNumber="572">C. carnifex</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFEF31EE6FE67FAD4" authorityName="Herklots" authorityYear="1861" box="[264,395,1268,1294]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="armatum">
<emphasis id="B94EEAB6FF94262CFEF31EE6FE67FAD4" box="[264,395,1268,1294]" italics="true" pageId="27" pageNumber="572">C. armatum</emphasis>
</taxonomicName>
) and
<taxonomicName id="4C3A4D27FF94262CFE351EE1FD70FAD4" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[462,668,1267,1293]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFE351EE1FD70FAD4" box="[462,668,1267,1293]" italics="true" pageId="27" pageNumber="572">Tuerkayana hirtipes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFD5E1EE6FCE4FAD4" box="[677,776,1267,1294]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
(as
<taxonomicName id="4C3A4D27FF94262CFF521F01FEE1FAF4" authorityName="A. Milne-Edwards" authorityYear="1867" box="[169,269,1299,1325]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFF521F01FEE1FAF4" box="[169,269,1299,1325]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
), and a second group with
<taxonomicName id="4C3A4D27FF94262CFDCD1F06FD4FFAF4" authorityName="HelIer" authorityYear="1862" box="[566,675,1300,1325]" class="Malacostraca" family="Gecarcinidae" genus="Epigrapsus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFDCD1F06FD4FFAF4" box="[566,675,1300,1325]" italics="true" pageId="27" pageNumber="572">Epigrapsus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFD4A1F06FF44FA94" authorityName="Leach" authorityYear="1814" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFD4A1F06FF44FA94" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFF431F21FEDAFA94" authorityName="H. Milne Edwards" authorityYear="1837" box="[184,310,1331,1357]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFF431F21FEDAFA94" box="[184,310,1331,1357]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C3A4D27FF94262CFE831F21FE18FA94" authorityName="Turkay" authorityYear="1970" box="[376,500,1331,1357]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE831F21FE18FA94" box="[376,500,1331,1357]" italics="true" pageId="27" pageNumber="572">Johngarthia</emphasis>
</taxonomicName>
; interestingly, this paper shows that the megalopa of
<taxonomicName id="4C3A4D27FF94262CFE4A1F41FD92FAB4" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[433,638,1363,1389]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFE4A1F41FD92FAB4" box="[433,638,1363,1389]" italics="true" pageId="27" pageNumber="572">Tuerkayana hirtipes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFD7E1F46FD09FAB4" box="[645,741,1363,1390]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
(as
<taxonomicName id="4C3A4D27FF94262CFF7F1F61FF04FA54" authorityName="A. Milne-Edwards" authorityYear="1867" box="[132,232,1395,1421]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFF7F1F61FF04FA54" box="[132,232,1395,1421]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
) differs from that of
<emphasis id="B94EEAB6FF94262CFE321F61FD5BFA54" box="[457,695,1395,1421]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFE321F61FD98FA54" box="[457,628,1395,1421]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="sensu">
Cardisoma
<taxonomicNameLabel id="A27D57CDFF94262CFDBB1F66FD98FA54" box="[576,628,1396,1421]" pageId="27" pageNumber="572" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
, which supports the distinction of
<taxonomicName id="4C3A4D27FF94262CFE521F81FDCFFA74" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[425,547,1427,1453]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF94262CFE521F81FDCFFA74" box="[425,547,1427,1453]" italics="true" pageId="27" pageNumber="572">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFDD11F86FD98FA74" box="[554,628,1428,1454]" pageId="27" pageNumber="572" rank="genus">n. gen.</taxonomicNameLabel>
</paragraph>
<paragraph id="8B8536A4FF94262CFF601FA1FD16F954" blockId="27.[130,777,216,2028]" pageId="27" pageNumber="572">
Genetic studies by
<bibRefCitation id="EFAB4B55FF94262CFE9D1FA1FDA3FA14" author="SCHUBART C. D. &amp; CANNICCI S. &amp; VANNINI M. &amp; FRATINI S." box="[358,591,1459,1485]" pageId="27" pageNumber="572" pagination="193 - 199" refId="ref62142" refString="SCHUBART C. D., CANNICCI S., VANNINI M. &amp; FRATINI S. 2006. - Molecular phylogeny of grapsoid crabs (Decapoda, Brachyura) and allies based on two mitochondrial genes and a proposal for refraining from current superfamily classification. Journal of Zoological Systematics and Evolutionary Research 44 (3): 193 - 199. https: // doi. org / 10.1111 / j. 1439 - 0469.2006.00354. x" type="journal article" year="2006">
Schubart
<emphasis id="B94EEAB6FF94262CFE361FA6FE13FA14" box="[461,511,1459,1485]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2006)
</bibRefCitation>
recovered
<taxonomicName id="4C3A4D27FF94262CFD3A1FA1FF54FA34" authorityName="Latreille, in Latreille, Le Peletier, Serville &amp; Guerin" authorityYear="1828" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFD3A1FA1FF54FA34" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
as basal, followed by
<emphasis id="B94EEAB6FF94262CFE651FC1FD77FA34" box="[414,667,1491,1517]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFE651FC1FDF6FA34" authorityName="H. Milne Edwards" authorityYear="1837" box="[414,538,1491,1517]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcoidea</taxonomicName>
-
<taxonomicName id="4C3A4D27FF94262CFDD81FC1FD7BFA34" authorityName="Leach" authorityYear="1814" box="[547,663,1491,1517]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcinus</taxonomicName>
.
</emphasis>
N. K.
<bibRefCitation id="EFAB4B55FF94262CFD1F1FC1FEE2F9D4" author="NG N. K. &amp; DAVIE P. J. F. &amp; SCHUBART C. D. &amp; NG P. K. L." pageId="27" pageNumber="572" pagination="233 - 256" refId="ref58762" refString="NG N. K., DAVIE P. J. F., SCHUBART C. D. &amp; NG P. K. L. 2007. - Xenograpsidae, a new family of grapsoid crabs (Crustacea: Brachyura) associated with shallow water hydrothermal vents. Raffles Bulletin of Zoology Supplement 16: 233 - 256." type="journal article" year="2007">
Ng
<emphasis id="B94EEAB6FF94262CFF7F1FE1FF56F9D4" box="[132,186,1523,1549]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2007)
</bibRefCitation>
, noting that the orbital structure and the gonopore position were extremely variable within gecarcinids, recovered two groups:
<emphasis id="B94EEAB6FF94262CFE7A1C20FD94F995" box="[385,632,1586,1612]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFE7A1C20FDDDF995" box="[385,561,1586,1612]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="sensu">
Cardisoma
<taxonomicNameLabel id="A27D57CDFF94262CFE071C21FDDDF995" box="[508,561,1587,1612]" pageId="27" pageNumber="572" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
(
<taxonomicName id="4C3A4D27FF94262CFD711C21FD13F994" baseAuthorityName="Herbst" baseAuthorityYear="1796" box="[650,767,1587,1613]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="carnifex">
<emphasis id="B94EEAB6FF94262CFD711C21FD13F994" box="[650,767,1587,1613]" italics="true" pageId="27" pageNumber="572">C. carnifex</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFF7F1C41FF18F9B5" authorityName="Smith" authorityYear="1870" box="[132,244,1619,1645]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="crassum">
<emphasis id="B94EEAB6FF94262CFF7F1C41FF18F9B5" box="[132,244,1619,1645]" italics="true" pageId="27" pageNumber="572">C. crassum</emphasis>
</taxonomicName>
)
<emphasis id="B94EEAB6FF94262CFEFF1C41FEF8F9B5" box="[260,276,1619,1644]" italics="true" pageId="27" pageNumber="572">+</emphasis>
<taxonomicName id="4C3A4D27FF94262CFEDD1C40FE66F9B5" authorityName="A. Milne-Edwards" authorityYear="1867" box="[294,394,1618,1644]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFEDD1C40FE66F9B5" box="[294,394,1618,1644]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
” (i.e.,
<taxonomicName id="4C3A4D27FF94262CFE291C40FD73F9B5" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[466,671,1618,1644]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFE291C40FD73F9B5" box="[466,671,1618,1644]" italics="true" pageId="27" pageNumber="572">Tuerkayana hirtipes</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFD5D1C41FCEBF9B5" box="[678,775,1618,1645]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
and
<taxonomicName id="4C3A4D27FF94262CFF4F1C61FED7F955" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Quoy &amp; Gaimard" baseAuthorityYear="1824" box="[180,315,1650,1677]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="rotundum" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFF4F1C61FF2AF955" box="[180,198,1651,1676]" italics="true" pageId="27" pageNumber="572">T</emphasis>
.
<emphasis id="B94EEAB6FF94262CFF281C60FED7F955" box="[211,315,1650,1676]" italics="true" pageId="27" pageNumber="572">rotundum</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFEB91C61FE4FF955" box="[322,419,1650,1677]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
), and
<emphasis id="B94EEAB6FF94262CFE121C61FD1FF955" box="[489,755,1650,1677]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFE121C61FDB5F954" authorityName="Leach" authorityYear="1814" box="[489,601,1651,1677]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcinus</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFD8C1C60FD1FF955" authorityName="H. Milne Edwards" authorityYear="1837" box="[631,755,1650,1676]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Gecarcoidea</taxonomicName>
</emphasis>
.
</paragraph>
<paragraph id="8B8536A4FF94262CFF601C80FAB0FE08" blockId="27.[130,777,216,2028]" lastBlockId="27.[811,1456,215,465]" pageId="27" pageNumber="572">
The molecular and larval analysis of
<bibRefCitation id="EFAB4B55FF94262CFE061C80FCEBF974" author="SCHUBART C. D. &amp; CUESTA J. A." box="[509,775,1682,1709]" pageId="27" pageNumber="572" pagination="279 - 299" refId="ref61569" refString="SCHUBART C. D. &amp; CUESTA J. A. 2010. - Phylogenetic relationships of the Plagusiidae Dana, 1851 (Brachyura), with description of a new genus and recognition of Percnidae Stevcic, 2005, as an independent family, in CASTRO P., DAVIE P. J. F., NG P. K. L. &amp; RICHER DE FORGES B. (eds), Studies on Brachyura: A Homage to Daniele Guinot. Crustaceana Monographs 11: 279 - 299." type="journal article" year="2010">Schubart &amp; Cuesta (2010)</bibRefCitation>
demonstrated that the status of the apparently paraphyletic
<taxonomicName id="4C3A4D27FF94262CFF7D1CC0FEE0F935" authorityName="H. Milne Edwards" authorityYear="1837" box="[134,268,1746,1772]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
was still unresolved, with
<taxonomicName id="4C3A4D27FF94262CFDF41CC0FD49F935" authority="and" authorityName="AND" box="[527,677,1746,1772]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="566" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFDF41CC0FD96F935" box="[527,634,1746,1772]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
and
</taxonomicName>
<taxonomicName id="4C3A4D27FF94262CFD521CC0FCE4F935" authorityName="A. Milne-Edwards" authorityYear="1867" box="[681,776,1746,1772]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFD521CC0FCE4F935" box="[681,776,1746,1772]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
forming a sister-group to
<taxonomicName id="4C3A4D27FF94262CFE751CE0FE11F8D5" authorityName="Leach" authorityYear="1814" box="[398,509,1778,1804]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFE751CE0FE11F8D5" box="[398,509,1778,1804]" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFDCB1CE0FD46F8D5" authorityName="H. Milne Edwards" authorityYear="1837" box="[560,682,1778,1804]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFDCB1CE0FD46F8D5" box="[560,682,1778,1804]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
.
<bibRefCitation id="EFAB4B55FF94262CFD4E1CE0FE9DF8F5" author="VAN DER MEIJ S. E. T. &amp; SCHUBART C." pageId="27" pageNumber="572" pagination="491 - 500" refId="ref64392" refString="VAN DER MEIJ S. E. T. &amp; SCHUBART C. 2014. - Monophyly and phylogenetic origin of the gall crab family Cryptochiridae (Decapoda: Brachyura). Invertebrate Systematics 28: 491 - 500. https: // doi. org / 10.1071 / IS 13064" type="journal article" year="2014">Van der Meij &amp; Schubart (2014</bibRefCitation>
: fig. 2) concluded that
<taxonomicName id="4C3A4D27FF94262CFDA21D00FD33F8F5" authorityName="H. Milne Edwards" authorityYear="1837" box="[601,735,1810,1836]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
did not cluster together and also recovered two groups:
<emphasis id="B94EEAB6FF94262CFD6C1D23FE5BF8B2" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFD6C1D23FF39F8B5" baseAuthorityName="Herbst" baseAuthorityYear="1796" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="carnifex">Cardisoma carnifex</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFF141D43FE5BF8B2" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[239,439,1873,1899]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes" status="comb. nov.">Tuerkayana hirtipes</taxonomicName>
</emphasis>
<taxonomicNameLabel id="A27D57CDFF94262CFE461D40FDF7F8B2" box="[445,539,1873,1900]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
(as
<taxonomicName id="4C3A4D27FF94262CFDB81D43FD4AF8B2" authorityName="A. Milne-Edwards" authorityYear="1867" box="[579,678,1873,1899]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFDB81D43FD4AF8B2" box="[579,678,1873,1899]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
) and
<emphasis id="B94EEAB6FF94262CFD191D40FDF5F852" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFD191D40FEC0F852" authorityName="Freminville in Guerin" authorityYear="1832" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="lateralis">Gecarcinus lateralis</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFEB31D63FDF5F852" authorityName="H. Milne Edwards" authorityYear="1837" box="[328,537,1905,1931]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="lalandii">Gecarcoidea lalandii</taxonomicName>
</emphasis>
. Using molecular data from three markers (mitochondrial 12S and 16S rRNAs, and nuclear histone H3) and covering a total of 15 thoracotreme families,
<bibRefCitation id="EFAB4B55FF94262CFF181DC0FE47F835" author="TSANG L. M. &amp; AHYONG S. T. &amp; SHIH H. - T. &amp; NG P. K. L." box="[227,427,2001,2028]" pageId="27" pageNumber="572" pagination="92 - 99" refId="ref63830" refString="TSANG L. M., AHYONG S. T., SHIH H. - T. &amp; NG P. K. L. 2018. - Further polyphyly of pinnotheroid crabs: the molecular phylogenetic position of the polychaete-associated Aphanodactylidae. Invertebrate Systematics 32: 92 - 99." type="journal article" year="2018">
Tsang
<emphasis id="B94EEAB6FF94262CFED31DC0FEB7F832" box="[296,347,2001,2027]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2018)
</bibRefCitation>
, as
<bibRefCitation id="EFAB4B55FF94262CFE281DC3FD61F835" author="CHU K. H. C. &amp; SCHUBART C. D. &amp; SHIH H. - T. &amp; TSANG L. M." box="[467,653,2001,2028]" pageId="27" pageNumber="572" pagination="775 - 820" refId="ref49782" refString="CHU K. H. C., SCHUBART C. D., SHIH H. - T. &amp; TSANG L. M. 2015. - Genetic diversity and evolution of Brachyura (Chapter 71 - 13), in CASTRO P., DAVIE P. J. F., GUINOT D., SCHRAM, F. R. &amp; VON VAUPEL KLEIN J. C. (eds), Decapoda: Brachyura, Treatise on Zoology - Anatomy, Taxonomy, Biology. Vol. 9 C- 2, Crustacea. Brill, Leiden and Boston: 775 - 820." type="book chapter" year="2015">
Chu
<emphasis id="B94EEAB6FF94262CFDF21DC0FDD0F832" box="[521,572,2001,2027]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2015)
</bibRefCitation>
, confirmed the polyphyly of
<taxonomicName id="4C3A4D27FF94262CFC261AC5FBB9FF28" authorityName="MacLeay" authorityYear="1838" box="[989,1109,215,241]" class="Malacostraca" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="597" phylum="Arthropoda" rank="superFamily" superFamily="Grapsoidea">Grapsoidea</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFB7C1AC5FAF5FF28" authorityName="Rafinesque" authorityYear="1815" box="[1159,1305,215,241]" class="Malacostraca" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="553" phylum="Arthropoda" rank="superFamily" superFamily="Ocypodoidea">Ocypodoidea</taxonomicName>
, as well as that of Pinnotheroidea De Haan, 1833.
<bibRefCitation id="EFAB4B55FF94262CFB5D1AEAFA8FFEC8" author="TSANG L. M. &amp; SCHUBART C. D. &amp; AHYONG S. T. &amp; LAI J. C. Y. &amp; AU E. Y. C. &amp; CHAN T. - Y. &amp; NG P. K. L. &amp; CHU K. H." box="[1190,1379,247,274]" pageId="27" pageNumber="572" pagination="1173 - 1187" refId="ref63741" refString="TSANG L. M., SCHUBART C. D., AHYONG S. T., LAI J. C. Y., AU E. Y. C., CHAN T. - Y., NG P. K. L. &amp; CHU K. H. 2014. - Evolutionary history of true crabs (Crustacea: Decapoda: Brachyura) and the origin of freshwater crabs. Molecular Biology and Evolution 31 (5): 1173 - 1187." type="journal article" year="2014">
Tsang
<emphasis id="B94EEAB6FF94262CFB101AEAFAF1FEC8" box="[1259,1309,247,273]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2014
</bibRefCitation>
: fig. 1) recognised a
<taxonomicName id="4C3A4D27FF94262CFC4C1B05FBDEFEE8" authorityName="H. Milne Edwards" authorityYear="1837" box="[951,1074,279,305]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFC4C1B05FBDEFEE8" box="[951,1074,279,305]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
clade (
<emphasis id="B94EEAB6FF94262CFB7B1B05FA9BFEE8" box="[1152,1399,279,305]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFB7B1B05FB0AFEE8" baseAuthorityName="Pocock" baseAuthorityYear="1889" box="[1152,1254,279,305]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="natalis">G. natalis</taxonomicName>
+
<taxonomicName id="4C3A4D27FF94262CFAFF1B05FA9BFEE8" authorityName="H. Milne Edwards" authorityYear="1837" box="[1284,1399,279,305]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="lalandii">G. lalandii</taxonomicName>
</emphasis>
) and a sister clade
<emphasis id="B94EEAB6FF94262CFC3A1B25FB59FE88" box="[961,1205,311,337]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFC3A1B25FBDEFE88" box="[961,1074,311,337]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">Cardisoma</taxonomicName>
-
<taxonomicName id="4C3A4D27FF94262CFBC01B25FB59FE88" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[1083,1205,311,337]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus" status="gen. nov.">Tuerkayana</taxonomicName>
</emphasis>
<taxonomicNameLabel id="A27D57CDFF94262CFB451B25FAE7FE88" box="[1214,1291,311,337]" pageId="27" pageNumber="572" rank="genus">n. gen.</taxonomicNameLabel>
(as
<taxonomicName id="4C3A4D27FF94262CFAC11B25FA73FE88" authorityName="A. Milne-Edwards" authorityYear="1867" box="[1338,1439,311,337]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFAC11B25FA73FE88" box="[1338,1439,311,337]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
).
<bibRefCitation id="EFAB4B55FF94262CFCD61B45FC07FEA8" author="TSANG L. M. &amp; AHYONG S. T. &amp; SHIH H. - T. &amp; NG P. K. L." box="[813,1003,343,369]" pageId="27" pageNumber="572" pagination="92 - 99" refId="ref63830" refString="TSANG L. M., AHYONG S. T., SHIH H. - T. &amp; NG P. K. L. 2018. - Further polyphyly of pinnotheroid crabs: the molecular phylogenetic position of the polychaete-associated Aphanodactylidae. Invertebrate Systematics 32: 92 - 99." type="journal article" year="2018">
Tsang
<emphasis id="B94EEAB6FF94262CFC891B4AFC49FEA8" box="[882,933,343,369]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
(2018
</bibRefCitation>
: fig. 2) recognised two gecarcinid clades: a
<taxonomicName id="4C3A4D27FF94262CFCD71B65FC4AFE48" authorityName="H. Milne Edwards" authorityYear="1837" box="[812,934,375,401]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFCD71B65FC4AFE48" box="[812,934,375,401]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
clade (
<taxonomicName id="4C3A4D27FF94262CFC0B1B65FBB3FE48" authorityName="H. Milne Edwards" authorityYear="1837" box="[1008,1119,375,401]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="lalandii">
<emphasis id="B94EEAB6FF94262CFC0B1B65FBB3FE48" box="[1008,1119,375,401]" italics="true" pageId="27" pageNumber="572">G. lalandii</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFB691B65FB19FE48" baseAuthorityName="Pocock" baseAuthorityYear="1889" box="[1170,1269,375,401]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="natalis">
<emphasis id="B94EEAB6FF94262CFB691B65FB19FE48" box="[1170,1269,375,401]" italics="true" pageId="27" pageNumber="572">G. natalis</emphasis>
</taxonomicName>
) and a
<taxonomicName id="4C3A4D27FF94262CFABA1B65FA5CFE48" box="[1345,1456,375,401]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFABA1B65FA5CFE48" box="[1345,1456,375,401]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
clade, actually including two genera:
<taxonomicName id="4C3A4D27FF94262CFB561B84FAF7FE69" box="[1197,1307,406,432]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFB561B84FAF7FE69" box="[1197,1307,406,432]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
for
<taxonomicName id="4C3A4D27FF94262CFAB81B85FA43FE69" authorityName="Smith" authorityYear="1870" box="[1347,1455,407,433]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="crassum">
<emphasis id="B94EEAB6FF94262CFAB81B85FA43FE69" box="[1347,1455,407,433]" italics="true" pageId="27" pageNumber="572">C. crassum</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFCA31BA4FC3DFE09" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[856,977,438,464]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF94262CFCA31BA4FC3DFE09" box="[856,977,438,464]" italics="true" pageId="27" pageNumber="572">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFC211BA5FBCFFE08" box="[986,1059,439,465]" pageId="27" pageNumber="572" rank="genus">n. gen.</taxonomicNameLabel>
for their “
<taxonomicName id="4C3A4D27FF94262CFB6F1BA4FAA5FE09" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[1172,1353,438,464]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes">
<emphasis id="B94EEAB6FF94262CFB6F1BA4FAA5FE09" box="[1172,1353,438,464]" italics="true" pageId="27" pageNumber="572">Discoplax hirtipes</emphasis>
</taxonomicName>
”.
</paragraph>
</subSubSection>
<subSubSection id="C320652FFF94262CFCD61BE5FB46F9B4" pageId="27" pageNumber="572" type="biology_ecology">
<paragraph id="8B8536A4FF94262CFCD61BE5FBB4FDD6" blockId="27.[811,1456,503,1645]" box="[813,1112,503,530]" pageId="27" pageNumber="572">
BIOLOGY OF
<taxonomicName id="4C3A4D27FF94262CFC4C1BEAFBB4FDD6" authorityName="H. Milne Edwards" authorityYear="1837" box="[951,1112,504,530]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">GECARCINIDAE</taxonomicName>
</paragraph>
<paragraph id="8B8536A4FF94262CFCD61804FA92FB56" blockId="27.[811,1456,503,1645]" pageId="27" pageNumber="572">
According to
<bibRefCitation id="EFAB4B55FF94262CFC421804FB97FDE8" author="LIU H. - C. &amp; JENG M. - S." box="[953,1147,534,561]" pageId="27" pageNumber="572" pagination="347 - 354" refId="ref57159" refString="LIU H. - C. &amp; JENG M. - S. 2007. - Some reproductive aspects of Gecarcoidea lalandii (Brachyura: Gecarcinidae) in Taiwan. Zoological Studies 46 (3): 347 - 354." type="journal article" year="2007">Liu &amp; Jeng (2007)</bibRefCitation>
biological aspects showed the same divergent tendency, the length of the breeding season being longer in species of
<taxonomicName id="4C3A4D27FF94262CFBDA1844FB63FDA9" box="[1057,1167,598,624]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFBDA1844FB63FDA9" box="[1057,1167,598,624]" italics="true" pageId="27" pageNumber="572">Cardisoma</emphasis>
</taxonomicName>
(including
<emphasis id="B94EEAB6FF94262CFAF31844FC85FD49" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFAF31844FA43FDA9" box="[1288,1455,598,624]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="sensu">
Cardisoma
<taxonomicNameLabel id="A27D57CDFF94262CFA871845FA43FDA9" box="[1404,1455,599,624]" pageId="27" pageNumber="572" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
and
<taxonomicName id="4C3A4D27FF94262CFC601864FBFEFD49" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[923,1042,630,656]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF94262CFC601864FBFEFD49" box="[923,1042,630,656]" italics="true" pageId="27" pageNumber="572">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFBE31864FB8DFD49" box="[1048,1121,630,656]" pageId="27" pageNumber="572" rank="genus">n. gen.</taxonomicNameLabel>
) compared to other gecarcinids. In terms of overall pattern of gecarcinid breeding migrations, opposing ends of the spectrum are presented by cavernicolous
<taxonomicName id="4C3A4D27FF94262CFCAD18C7FBE1FD36" authorityName="A. Milne-Edwards" authorityYear="1867" box="[854,1037,725,751]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="longipes">
<emphasis id="B94EEAB6FF94262CFCAD18C7FBE1FD36" box="[854,1037,725,751]" italics="true" pageId="27" pageNumber="572">Discoplax longipes</emphasis>
</taxonomicName>
(eggs are laid and incubated in the caves where the adults live, and the females with ripe eggs migrate directly to the sea; no males migrate; see
<bibRefCitation id="EFAB4B55FF94262CFB2C1904FA4BFCF6" author="NG P. K. L. &amp; WANG C. - H. &amp; HO P. - H. &amp; SHIH H. - T." box="[1239,1447,789,816]" pageId="27" pageNumber="572" pagination="1 - 86" refId="ref59975" refString="NG P. K. L., WANG C. - H., HO P. - H. &amp; SHIH H. - T. 2001. - Anannotated checklist of brachyuran crabs from Taiwan (Crustacea: Decapoda). National Taiwan Museum Special Publication Series Taipei 11: 1 - 86." type="journal article" year="2001">Ng &amp; Guinot 2001</bibRefCitation>
) and by
<taxonomicName id="4C3A4D27FF94262CFC841927FBAFFC96" baseAuthorityName="Pocock" baseAuthorityYear="1889" box="[895,1091,821,847]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="natalis">
<emphasis id="B94EEAB6FF94262CFC841927FBAFFC96" box="[895,1091,821,847]" italics="true" pageId="27" pageNumber="572">Gecarcoidea natalis</emphasis>
</taxonomicName>
, the iconic “
<collectingCountry id="F32D7634FF94262CFB351927FA69FC96" box="[1230,1413,821,847]" name="Christmas Island" pageId="27" pageNumber="572">Christmas Island</collectingCountry>
red crab”(males and females migrate to the sea in similar numbers; only after both dip in the sea, does courtship and mating occur; see
<bibRefCitation id="EFAB4B55FF94262CFCA81987FC3CFC69" author="HICKS J. W." box="[851,976,917,944]" pageId="27" pageNumber="572" pagination="127 - 142" refId="ref54666" refString="HICKS J. W. 1985. - The breeding behaviour and migrations of the terrestrial crab Gecarcoidea natalis (Linnaeus, 1758). Australian Journal of Zoology 33: 127 - 142. https: // doi. org / 10.1071 / ZO 9850127" type="journal article" year="1985">Hicks 1985</bibRefCitation>
;
<bibRefCitation id="EFAB4B55FF94262CFC241987FB59FC76" author="HARTNOLL R. G. &amp; BRODERICK A. C. &amp; GODLEY B. J. &amp; MUSICK S. &amp; PEARSON M. &amp; STROUD S. A. &amp; SAUNDERS K. E." box="[991,1205,917,943]" pageId="27" pageNumber="572" pagination="83 - 92" refId="ref54388" refString="HARTNOLL R. G., BRODERICK A. C., GODLEY B. J., MUSICK S., PEARSON M., STROUD S. A. &amp; SAUNDERS K. E. 2010. - Repro- duction in the land crab Johngarthia lagostoma on Ascension Island. Journal of Crustacean Biology 30: 83 - 92. https: // doi. org / 10.1651 / 09 - 3143.1" type="journal article" year="2010">
Hartnoll
<emphasis id="B94EEAB6FF94262CFBB81984FB9BFC76" box="[1091,1143,917,943]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
2010
</bibRefCitation>
).
<taxonomicName id="4C3A4D27FF94262CFB361987FA43FC76" baseAuthorityName="H. Milne Edwards" baseAuthorityYear="1837" box="[1229,1455,917,943]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="lagostoma">
<emphasis id="B94EEAB6FF94262CFB361987FA43FC76" box="[1229,1455,917,943]" italics="true" pageId="27" pageNumber="572">Johngarthia lagostoma</emphasis>
</taxonomicName>
(mating and laying occur at all phases of the migration, and males migrate towards the sea in decreasing proportion with distance) and
<taxonomicName id="4C3A4D27FF94262CFC3A19E7FB6BFBD7" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[961,1159,1012,1039]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="ruricola">
<emphasis id="B94EEAB6FF94262CFC3A19E7FB6BFBD7" box="[961,1159,1012,1039]" italics="true" pageId="27" pageNumber="572">Gecarcinus ruricola</emphasis>
</taxonomicName>
(migrating crabs are mostly female with predominance of ovigerous females, so some females mate and lay eggs on the landward side, others on the seaward side; migrating females on average larger than migrating males) have a median position (
<bibRefCitation id="EFAB4B55FF94262CFBD41E66FAE0FB57" author="HARTNOLL R. G. &amp; MACKINTOSH T. &amp; PELEMBE T. J." box="[1071,1292,1140,1166]" pageId="27" pageNumber="572" pagination="197 - 215" refId="ref54181" refString="HARTNOLL R. G., MACKINTOSH T. &amp; PELEMBE T. J. 2006 a. - Johngarthia lagostoma (H. Milne Edwards, 1837) on Ascension Island: a very isolated land crab population. Crustaceana 79: 197 - 215 https: // doi. org / 10.1163 / 156854006776952900" type="journal article" year="2006">
Hartnoll
<emphasis id="B94EEAB6FF94262CFB691E67FB29FB57" box="[1170,1221,1140,1166]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
2006a
</bibRefCitation>
, b, 2007).
</paragraph>
<paragraph id="8B8536A4FF94262CFCB81E86FB46F9B4" blockId="27.[811,1456,503,1645]" pageId="27" pageNumber="572">
The relationships within
<taxonomicName id="4C3A4D27FF94262CFBBD1E86FB3CFB77" authorityName="H. Milne Edwards" authorityYear="1837" box="[1094,1232,1172,1198]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
can also be examined in relation to their landward migration stages, their degree of terrestrialisation.
<taxonomicName id="4C3A4D27FF94262CFC241EC6FBA0FB37" authorityName="Leach" authorityYear="1814" box="[991,1100,1236,1262]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFC241EC6FBA0FB37" box="[991,1100,1236,1262]" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C3A4D27FF94262CFBA31EC6FB3CFB37" authorityName="H. Milne Edwards" authorityYear="1837" box="[1112,1232,1236,1262]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFBA31EC6FB3CFB37" box="[1112,1232,1236,1262]" italics="true" pageId="27" pageNumber="572">Gecarcoidea</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFAFA1EC6FA9BFB37" authorityName="Turkay" authorityYear="1970" box="[1281,1399,1236,1262]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFAFA1EC6FA9BFB37" box="[1281,1399,1236,1262]" italics="true" pageId="27" pageNumber="572">Johngarthia</emphasis>
</taxonomicName>
form a group with markedly terrestrial habit: the megalopa is the landward migration stage in
<taxonomicName id="4C3A4D27FF94262CFBA41F06FB23FAF7" authorityName="Leach" authorityYear="1814" box="[1119,1231,1300,1326]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFBA41F06FB23FAF7" box="[1119,1231,1300,1326]" italics="true" pageId="27" pageNumber="572">Gecarcinus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3A4D27FF94262CFAFF1F01FA92FAF4" authorityName="Turkay" authorityYear="1970" box="[1284,1406,1299,1325]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFAFF1F01FA92FAF4" box="[1284,1406,1299,1325]" italics="true" pageId="27" pageNumber="572">Johngarthia</emphasis>
</taxonomicName>
(the megalopa of
<taxonomicName id="4C3A4D27FF94262CFC411F26FB6FFA94" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[954,1155,1331,1358]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="ruricola">
<emphasis id="B94EEAB6FF94262CFC411F26FB6FFA94" box="[954,1155,1331,1358]" italics="true" pageId="27" pageNumber="572">Gecarcinus ruricola</emphasis>
</taxonomicName>
being the most terrestrially adapted megalopa described to date for locomotion on land: it is the returning stage from the sea into fully terrestrial habitats before moulting to the first crab instar (see
<bibRefCitation id="EFAB4B55FF94262CFB0A1F81FC72FA14" author="HARTNOLL R. G. &amp; CLARK P. F." pageId="27" pageNumber="572" pagination="149 - 164" refId="ref54116" refString="HARTNOLL R. G. &amp; CLARK P. F. 2006. - A mass recruitment event in the land crab Gecarcinus ruricola (Linnaeus, 1758) (Brachyura: Grapsoidea: Gecarcinidae). Zoological Journal of the Linnean Society 146: 149 - 164. https: // doi. org / 10.1111 / j. 1096 - 3642.2006.00195. x" type="journal article" year="2006">Hartnoll &amp; Clark 2006: 162</bibRefCitation>
; Rodríguez-Rey
<emphasis id="B94EEAB6FF94262CFBB41FA6FB6EFA14" box="[1103,1154,1459,1485]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
2016). On the contrary, the first crab in
<emphasis id="B94EEAB6FF94262CFC4F1FC1FB4BFA34" box="[948,1191,1491,1517]" italics="true" pageId="27" pageNumber="572">
<taxonomicName id="4C3A4D27FF94262CFC4F1FC1FB8DFA34" box="[948,1121,1491,1517]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="sensu">
Cardisoma
<taxonomicNameLabel id="A27D57CDFF94262CFBD61FC6FB8DFA34" box="[1069,1121,1492,1517]" pageId="27" pageNumber="572" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
and
<taxonomicName id="4C3A4D27FF94262CFB1A1FC1FAB7FA34" authority="Guinot &amp; Ng &amp; Rodríguez Moreno, 2018" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" box="[1249,1371,1491,1517]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B94EEAB6FF94262CFB1A1FC1FAB7FA34" box="[1249,1371,1491,1517]" italics="true" pageId="27" pageNumber="572">Tuerkayana</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFA981FC1FA5CFA34" box="[1379,1456,1491,1517]" pageId="27" pageNumber="572" rank="genus">n. gen.</taxonomicNameLabel>
(as “
<taxonomicName id="4C3A4D27FF94262CFCA61FE1FBFAF9D4" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Dana" baseAuthorityYear="1851" box="[861,1046,1523,1549]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="hirtipes">
<emphasis id="B94EEAB6FF94262CFCA61FE1FBFAF9D4" box="[861,1046,1523,1549]" italics="true" pageId="27" pageNumber="572">Discoplax hirtipes</emphasis>
</taxonomicName>
”) form a second group, with less terrestrial habit.
<taxonomicName id="4C3A4D27FF94262CFC461C00FB9BF9F5" authorityName="Guinot &amp; Ng &amp; Rodríguez Moreno" authorityYear="2018" baseAuthorityName="Ng &amp; Davie" baseAuthorityYear="2012" box="[957,1143,1554,1580]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="species" species="celeste" status="comb. nov.">
<emphasis id="B94EEAB6FF94262CFC461C00FB9BF9F5" box="[957,1143,1554,1580]" italics="true" pageId="27" pageNumber="572">Tuerkayana celeste</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27D57CDFF94262CFB871C01FB37F9F5" box="[1148,1243,1554,1581]" pageId="27" pageNumber="572" rank="species">n. comb.</taxonomicNameLabel>
migrates up streams as the megalopa and only emerges onto land as the first crab (
<bibRefCitation id="EFAB4B55FF94262CFCCD1C40FBE0F9B5" author="HARTNOLL R. G. &amp; MCKELLAR C. &amp; WEBER N. &amp; WEBER S. B." box="[822,1036,1618,1644]" pageId="27" pageNumber="572" pagination="531 - 539" refId="ref54462" refString="HARTNOLL R. G., REGNIER- MCKELLAR C., WEBER N. &amp; WEBER S. B. 2014. - Return to the land; the stages of terrestrial recruitment in land crabs. Crustaceana 87 (5): 531 - 539. https: // doi. org / 10.1163 / 15685403 - 00003294" type="journal article" year="2014">
Hartnoll
<emphasis id="B94EEAB6FF94262CFC601C41FC22F9B5" box="[923,974,1618,1644]" italics="true" pageId="27" pageNumber="572">et al.</emphasis>
2014
</bibRefCitation>
, as
<taxonomicName id="4C3A4D27FF94262CFBCD1C40FB76F9B5" authorityName="A. Milne-Edwards" authorityYear="1867" box="[1078,1178,1618,1644]" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="27" pageNumber="572" phylum="Arthropoda" rank="genus">
<emphasis id="B94EEAB6FF94262CFBCD1C40FB76F9B5" box="[1078,1178,1618,1644]" italics="true" pageId="27" pageNumber="572">Discoplax</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>