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<document id="D54922D3DBC43A2E5D93445DA274A591" ID-CLB-Dataset="4119" ID-DOI="10.11646/zootaxa.5048.2.4" ID-GBIF-Dataset="77661b3d-321c-46e7-9830-56ce49fbe33c" ID-ISSN="1175-5326" ID-Zenodo-Dep="5552003" ID-ZooBank="7B70B5E3-9B0D-4AB3-ADDC-ECD2ABB2AB48" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1633502737751" checkinUser="plazi" docAuthor="Toledano-Carrasco, Ia Atzimba, Villalobos, José Luis &amp; Álvarez, Fernando" docDate="2021" docId="03A387ACFFA9FF992686284E05F1567E" docLanguage="en" docName="zootaxa.5048.2.4.pdf" docOrigin="Zootaxa 5048 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Gecarcinus Leach 1814" docType="treatment" docVersion="8" lastPageNumber="226" masterDocId="FF9AFFD4FFA3FF9226112F7501715157" masterDocTitle="A morphological, phylogenetic and phylogeographic reappraisal of the land crabs Gecarcinus quadratus De Saussure, 1853, and G. lateralis Fréminville in Guérin 1832 (Decapoda: Gecarcinidae). Are they different species?" masterLastPageNumber="236" masterPageNumber="215" pageNumber="225" updateTime="1699458629029" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-NC-4.0" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="247A7EF39E33143C9470BF4BCB2D0B17">A morphological, phylogenetic and phylogeographic reappraisal of the land crabs Gecarcinus quadratus De Saussure, 1853, and G. lateralis Fréminville in Guérin 1832 (Decapoda: Gecarcinidae). Are they different species?</mods:title>
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<mods:namePart id="79AB4876899331BBC67F79D868BE27A9">Toledano-Carrasco, Ia Atzimba</mods:namePart>
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<subSubSection id="C3106531FFA9FF982686284E037E5602" box="[151,527,1851,1877]" pageId="10" pageNumber="225" type="nomenclature">
<paragraph id="8BB536BAFFA9FF982686284E037E5602" blockId="10.[151,527,1851,1877]" box="[151,527,1851,1877]" pageId="10" pageNumber="225">
<heading id="D0FD81D6FFA9FF982686284E037E5602" bold="true" box="[151,527,1851,1877]" fontSize="11" level="1" pageId="10" pageNumber="225" reason="1">
<emphasis id="B97EEAA8FFA9FF982686284E037E5602" bold="true" box="[151,527,1851,1877]" pageId="10" pageNumber="225">
Genus
<taxonomicName id="4C0A4D39FFA9FF9826FF284E037E5602" ID-CoL="7P39R" authority="Leach 1814" authorityName="Leach" authorityYear="1814" box="[238,527,1851,1877]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="225" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA9FF9826FF284E00085602" bold="true" box="[238,377,1851,1877]" italics="true" pageId="10" pageNumber="225">Gecarcinus</emphasis>
<bibRefCitation id="EF9B4B4BFFA9FF982791284E037E5602" author="Leach, W. E." box="[384,527,1851,1877]" pageId="10" pageNumber="225" pagination="383 - 437" refId="ref14061" refString="Leach, W. E. (1814) Crustaceology. In: Brewster, D. (Ed.), The Edinburgh Encyclopaedia. 7 (2). Balfour, Edinburgh, PP. 383 - 437. [https: // www. biodiversitylibrary. org / item / 114403 # page / 479 / mode / 1 up]" type="book chapter" year="1814">Leach 1814</bibRefCitation>
</taxonomicName>
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</paragraph>
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<paragraph id="8BB536BAFFA9FF99268628F603F852D6" blockId="10.[151,1436,1923,2022]" lastBlockId="11.[151,1437,151,1833]" lastPageId="11" lastPageNumber="226" pageId="10" pageNumber="225">
<emphasis id="B97EEAA8FFA9FF98268628F6006356CA" bold="true" box="[151,274,1923,1949]" pageId="10" pageNumber="225">Diagnosis.</emphasis>
Carapace transversely oval with branchial regions inflated. Pterygostomian regions glabrous. Anterior part of lateral border marked by marginal line. Fronto-orbital border 1/2 or less than 1/2 greatest breadth of carapace. Front strongly deflexed, frontal edge horizontal, from 1/5 to 1/8 the greatest breadth of carapace. Orbits deep, not much wider than high, outer angle obtuse, not prominent, inner angle as stout angular tooth touching inferior angle of front; a deep U-shaped sinus next to it. Eyes nearly filling orbits (
<bibRefCitation id="EF9B4B4BFFA8FF9925C82FCE050C5182" author="Rathbun, M. J." box="[985,1149,187,213]" pageId="11" pageNumber="226" pagination="1 - 461" refId="ref15576" refString="Rathbun, M. J. (1918) The grapsoid crabs of America. Bulletin of the United States National Museum, 97, 1 - 461. https: // doi. org / 10.5479 / si. 03629236.97. i" type="journal article" year="1918">Rathbun 1918</bibRefCitation>
). Proepistome hardly discernible, inserted under lower margin of narrow front (
<bibRefCitation id="EF9B4B4BFFA8FF9925132FAA02A651AE" author="Guinot, D. &amp; Ng, N. K. &amp; Moreno, P. A. R." box="[770,983,223,249]" pageId="11" pageNumber="226" pagination="547 - 605" refId="ref12756" refString="Guinot, D., Ng, N. K. &amp; Moreno, P. A. R. (2018) 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). Zoosystema, 40, 547 - 605. https: // doi. org / 10.5252 / zoosystema 2018 v 40 a 26" type="journal article" year="2018">
Guinot
<emphasis id="B97EEAA8FFA8FF99254B2FAA02FD51AE" box="[858,908,223,249]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. 2018
</bibRefCitation>
). Epistomal edge sometimes covered by third maxillipeds. Oral cavity subcircular or rhomboid, wider in the middle, margins with dense strip of bristles; third maxillipeds separated, central opening rhomboid, exposing mandibles; ischium and merus broad, subequal in length, merus suboval, hiding short and robust palp, the latter articulated in the middle of anterior margin of merus. Exognath hidden behind ischium, without flagellum, shorter than ischio-meral articulation. Chelipeds sturdy, almost smooth, in adults can be slightly or evidently different in size and robustness (smaller and weaker in females); internal surface of palm of major chela with or without tuberculated longitudinal ridge. Robust ambulatory appendages, second pair longest, last 3 joints armed with spines, dactyli with 4-6 longitudinal rows. First male pleopod (G1) semi-cylindrical, terminal apical element more than 1/3 of G1 length, extending distally well beyond apex, as narrow, chitinous, semi-cylindrical structure, open with longitudinal furrow in lateral view, distal end widening in caudal and cephalic views. Main axis of G1 with suture mostly visible in mesial view, distal portion of cephalic surface, ending in finger-like projection, pointed and elongated or rounded and relatively short, directed apically or cephalically, ornamented with slender bristles extending distally (
<figureCitation id="13312A3FFFA8FF9925682DFA028353FE" box="[889,1010,655,681]" captionStart="FIGURE 3" captionStartId="3.[151,250,1801,1825]" captionTargetBox="[155,1432,181,1777]" captionTargetId="figure-17@3.[155,1432,181,1777]" captionTargetPageId="3" captionText="FIGURE 3. Left male first gonopod (G1): Cephalic view, A) G. lateralis from Río Prieto, Veracruz (CNCR 33942); B) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Lateral view, C) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Ventral surface, D) G. lateralis female from Barra de Sontecomapan, Veracruz (CNCR 33943); E) G. quadratus female from Playa Higuera Blanca, Nayarit (CNCR 34012); F) G. ruricola male from Cuba (MNHN-IU-2017-8392). Frontal view, G) G. ruricola from Cuba (MNHN-IU-2017-8392) (G. ruricola photos modified from Guinot et al., 2018)." figureDoi="http://doi.org/10.5281/zenodo.5552009" httpUri="https://zenodo.org/record/5552009/files/figure.png" pageId="11" pageNumber="226">Fig. 3A, B</figureCitation>
) (
<bibRefCitation id="EF9B4B4BFFA8FF9922182DFA045453FE" author="Toledano-Carrasco, I. A." box="[1033,1317,655,681]" pageId="11" pageNumber="226" refId="ref16186" refString="Toledano-Carrasco, I. A. (2019) Revision filogenetica de las especies de cangrejos semiterrestres pertenecientes al genero Gecarcinus Leach, 1814 (Brachyura: Grapsoidea: Gecarcinidae) de Mexico. Tesis de Maestria, Universidad Nacional Autonoma de Mexico, Mexico, 95 pp. [http: // 132.248.9.195 / ptd 2018 / diciembre / 0783828 / Index. html]" type="book" year="2019">Toledano-Carrasco 2019</bibRefCitation>
). In lateral view, distal portion of main axis excavated, ending in two projections, a corneous process and finger-like projection of cephalic surface; the former extending distally, rectangular, smoothly ribbed, ending obliquely with cephalic margin reaching beyond caudal one, the latter sharply triangular, about 1/2 as long as the former (
<figureCitation id="13312A3FFFA8FF9922DA2D8E04525242" box="[1227,1315,763,789]" captionStart="FIGURE 3" captionStartId="3.[151,250,1801,1825]" captionTargetBox="[155,1432,181,1777]" captionTargetId="figure-17@3.[155,1432,181,1777]" captionTargetPageId="3" captionText="FIGURE 3. Left male first gonopod (G1): Cephalic view, A) G. lateralis from Río Prieto, Veracruz (CNCR 33942); B) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Lateral view, C) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Ventral surface, D) G. lateralis female from Barra de Sontecomapan, Veracruz (CNCR 33943); E) G. quadratus female from Playa Higuera Blanca, Nayarit (CNCR 34012); F) G. ruricola male from Cuba (MNHN-IU-2017-8392). Frontal view, G) G. ruricola from Cuba (MNHN-IU-2017-8392) (G. ruricola photos modified from Guinot et al., 2018)." figureDoi="http://doi.org/10.5281/zenodo.5552009" httpUri="https://zenodo.org/record/5552009/files/figure.png" pageId="11" pageNumber="226">Fig. 3C</figureCitation>
). In caudal view, excavation of G1 main axis evident, corneous process inclined mesially. In cephalic view, apical plate directed distolaterally, fused to distal end of lateral surface, apically concave; marginal suture along cephalic surface of main axis (
<figureCitation id="13312A3FFFA8FF9926C52C12003A52D6" box="[212,331,871,897]" captionStart="FIGURE 3" captionStartId="3.[151,250,1801,1825]" captionTargetBox="[155,1432,181,1777]" captionTargetId="figure-17@3.[155,1432,181,1777]" captionTargetPageId="3" captionText="FIGURE 3. Left male first gonopod (G1): Cephalic view, A) G. lateralis from Río Prieto, Veracruz (CNCR 33942); B) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Lateral view, C) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Ventral surface, D) G. lateralis female from Barra de Sontecomapan, Veracruz (CNCR 33943); E) G. quadratus female from Playa Higuera Blanca, Nayarit (CNCR 34012); F) G. ruricola male from Cuba (MNHN-IU-2017-8392). Frontal view, G) G. ruricola from Cuba (MNHN-IU-2017-8392) (G. ruricola photos modified from Guinot et al., 2018)." figureDoi="http://doi.org/10.5281/zenodo.5552009" httpUri="https://zenodo.org/record/5552009/files/figure.png" pageId="11" pageNumber="226">Fig. 3A, B</figureCitation>
) (
<bibRefCitation id="EF9B4B4BFFA8FF9927732C12030C52D6" author="Toledano-Carrasco, I. A." box="[354,637,871,897]" pageId="11" pageNumber="226" refId="ref16186" refString="Toledano-Carrasco, I. A. (2019) Revision filogenetica de las especies de cangrejos semiterrestres pertenecientes al genero Gecarcinus Leach, 1814 (Brachyura: Grapsoidea: Gecarcinidae) de Mexico. Tesis de Maestria, Universidad Nacional Autonoma de Mexico, Mexico, 95 pp. [http: // 132.248.9.195 / ptd 2018 / diciembre / 0783828 / Index. html]" type="book" year="2019">Toledano-Carrasco 2019</bibRefCitation>
).
</paragraph>
<paragraph id="8BB536BAFFA8FF9926D62CFE05A95466" blockId="11.[151,1437,151,1833]" pageId="11" pageNumber="226">
Sternal surface of carapace with bands of short setae between sternites 45. Sternite 1 as small triangular tooth, not separated by suture from sternite 2; sternite 2 semi-ovate or trapezoidal; suture 2/3 straight, weakly marked, or V-shaped and well-developed; sternites 34 completely fused with straight or convex, obliquely directed lateral margins, thus not restricted at level of first pereopods (P1). Sternites 57 with similar shape, sutures well defined. Sternite 8 totally hidden when pleon is folded (
<figureCitation id="13312A3FFFA8FF9924B92B6E02585562" box="[680,809,1051,1077]" captionStart="FIGURE 2" captionStartId="2.[151,250,1928,1952]" captionTargetBox="[197,1389,181,1904]" captionTargetId="figure-26@2.[197,1389,181,1904]" captionTargetPageId="2" captionText="FIGURE 2. Gecarcinus lateralis from Río Prieto, Veracruz (CNCR 33942): A) frontal view, B) ventral vie, C) rows of spines in the dactyli of the pereiopods, D) major chela. Gecarcinus quadratus from Boca del Cielo, Chiapas (CNCR 34630): E) frontal view, F) ventral view, G) rows of spines in the dactyli of the pereiopods, H) major chela." figureDoi="http://doi.org/10.5281/zenodo.5552007" httpUri="https://zenodo.org/record/5552007/files/figure.png" pageId="11" pageNumber="226">Figs. 2B, F</figureCitation>
;
<figureCitation id="13312A3FFFA8FF9925242B6E02E65562" box="[821,919,1051,1077]" captionStart="FIGURE 3" captionStartId="3.[151,250,1801,1825]" captionTargetBox="[155,1432,181,1777]" captionTargetId="figure-17@3.[155,1432,181,1777]" captionTargetPageId="3" captionText="FIGURE 3. Left male first gonopod (G1): Cephalic view, A) G. lateralis from Río Prieto, Veracruz (CNCR 33942); B) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Lateral view, C) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Ventral surface, D) G. lateralis female from Barra de Sontecomapan, Veracruz (CNCR 33943); E) G. quadratus female from Playa Higuera Blanca, Nayarit (CNCR 34012); F) G. ruricola male from Cuba (MNHN-IU-2017-8392). Frontal view, G) G. ruricola from Cuba (MNHN-IU-2017-8392) (G. ruricola photos modified from Guinot et al., 2018)." figureDoi="http://doi.org/10.5281/zenodo.5552009" httpUri="https://zenodo.org/record/5552009/files/figure.png" pageId="11" pageNumber="226">3D, E, F</figureCitation>
), posterior emargination reaching sternite 7 at level of narrow median bridge situated at level of suture 7/8. Another weak median bridge present at level of suture 6/7 (
<taxonomicName id="4C0A4D39FFA8FF9926DA2B160038552A" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[203,329,1123,1149]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="ruricola">
<emphasis id="B97EEAA8FFA8FF9926DA2B160038552A" box="[203,329,1123,1149]" italics="true" pageId="11" pageNumber="226">G. ruricola</emphasis>
</taxonomicName>
) or traces of it (
<emphasis id="B97EEAA8FFA8FF9927EF2B160251552A" box="[510,800,1123,1149]" italics="true" pageId="11" pageNumber="226">
<taxonomicName id="4C0A4D39FFA8FF9927EF2B1603F1552A" authorityName="Freminville in Guerin" authorityYear="1832" box="[510,640,1123,1149]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="lateralis">G. lateralis</taxonomicName>
,
<taxonomicName id="4C0A4D39FFA8FF99249A2B160251552A" authorityName="De Saussure" authorityYear="1853" box="[651,800,1123,1149]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="quadratus">G. quadratus</taxonomicName>
</emphasis>
). Male genital orifice completely sternal (
<bibRefCitation id="EF9B4B4BFFA8FF9922E62B1604E1552A" author="Guinot D." box="[1271,1424,1123,1149]" pageId="11" pageNumber="226" pagination="3 - 354" refId="ref12614" refString="Guinot D. (1979) Donnees nouvelles sur la morphologie, la phylogenese et la taxonomie des Crustaces Decapodes Brachyoures. Memoires du Museum national d'Histoire naturelle, Nouvelle Serie, Serie A, Zoologie, 112, 3 - 354. [https: // decapoda. nhm. org / pdfs / 11004 / 11004. pdf]" type="journal article" year="1979">Guinot, 1979</bibRefCitation>
). Sternites 34 with sterno-pleonal rim well-marked or rounded and slightly marked. Locking structure formed by button covered with setae in
<taxonomicName id="4C0A4D39FFA8FF9927CD2BDE032A5592" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[476,603,1195,1221]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="ruricola">
<emphasis id="B97EEAA8FFA8FF9927CD2BDE032A5592" box="[476,603,1195,1221]" italics="true" pageId="11" pageNumber="226">G. ruricola</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0A4D39FFA8FF9924832BDE02565592" authorityName="De Saussure" authorityYear="1853" box="[658,807,1195,1221]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="quadratus">
<emphasis id="B97EEAA8FFA8FF9924832BDE02565592" box="[658,807,1195,1221]" italics="true" pageId="11" pageNumber="226">G. quadratus</emphasis>
</taxonomicName>
(
<bibRefCitation id="EF9B4B4BFFA8FF9925272BDE05775592" author="Kohnk, S. &amp; Gorb, S. &amp; Brandis, D." box="[822,1030,1195,1221]" pageId="11" pageNumber="226" pagination="2087 - 2132" refId="ref13802" refString="Kohnk, S., Gorb, S. &amp; Brandis, D. (2017) The morphological and functional variability of pleon-holding mechanisms in selected Eubrachyura (Crustacea: Decapoda). Journal of Natural History, 51 (35 - 36), 2087 - 2132. https: // doi. org / 10.1080 / 00222933.2017.1355076" type="journal article" year="2017">
Köhnk
<emphasis id="B97EEAA8FFA8FF99259A2BDE02CC5592" box="[907,957,1195,1221]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. 2017
</bibRefCitation>
;
<bibRefCitation id="EF9B4B4BFFA8FF9922032BDE05945592" author="Guinot, D. &amp; Ng, N. K. &amp; Moreno, P. A. R." box="[1042,1253,1195,1221]" pageId="11" pageNumber="226" pagination="547 - 605" refId="ref12756" refString="Guinot, D., Ng, N. K. &amp; Moreno, P. A. R. (2018) 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). Zoosystema, 40, 547 - 605. https: // doi. org / 10.5252 / zoosystema 2018 v 40 a 26" type="journal article" year="2018">
Guinot
<emphasis id="B97EEAA8FFA8FF9922792BDE05E85592" box="[1128,1177,1195,1221]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. 2018
</bibRefCitation>
). Abdomen subtriangular in males, semi-circular in females, with 7 articulated somites in both sexes (
<figureCitation id="13312A3FFFA8FF99224C2BBA05AF55BE" box="[1117,1246,1231,1257]" captionStart="FIGURE 2" captionStartId="2.[151,250,1928,1952]" captionTargetBox="[197,1389,181,1904]" captionTargetId="figure-26@2.[197,1389,181,1904]" captionTargetPageId="2" captionText="FIGURE 2. Gecarcinus lateralis from Río Prieto, Veracruz (CNCR 33942): A) frontal view, B) ventral vie, C) rows of spines in the dactyli of the pereiopods, D) major chela. Gecarcinus quadratus from Boca del Cielo, Chiapas (CNCR 34630): E) frontal view, F) ventral view, G) rows of spines in the dactyli of the pereiopods, H) major chela." figureDoi="http://doi.org/10.5281/zenodo.5552007" httpUri="https://zenodo.org/record/5552007/files/figure.png" pageId="11" pageNumber="226">Figs. 2B, F</figureCitation>
;
<figureCitation id="13312A3FFFA8FF9922F82BBA043855BE" box="[1257,1353,1231,1257]" captionStart="FIGURE 3" captionStartId="3.[151,250,1801,1825]" captionTargetBox="[155,1432,181,1777]" captionTargetId="figure-17@3.[155,1432,181,1777]" captionTargetPageId="3" captionText="FIGURE 3. Left male first gonopod (G1): Cephalic view, A) G. lateralis from Río Prieto, Veracruz (CNCR 33942); B) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Lateral view, C) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Ventral surface, D) G. lateralis female from Barra de Sontecomapan, Veracruz (CNCR 33943); E) G. quadratus female from Playa Higuera Blanca, Nayarit (CNCR 34012); F) G. ruricola male from Cuba (MNHN-IU-2017-8392). Frontal view, G) G. ruricola from Cuba (MNHN-IU-2017-8392) (G. ruricola photos modified from Guinot et al., 2018)." figureDoi="http://doi.org/10.5281/zenodo.5552009" httpUri="https://zenodo.org/record/5552009/files/figure.png" pageId="11" pageNumber="226">3D, E, F</figureCitation>
) (
<bibRefCitation id="EF9B4B4BFFA8FF9923712BBA00F1545A" author="Toledano-Carrasco, I. A." pageId="11" pageNumber="226" refId="ref16186" refString="Toledano-Carrasco, I. A. (2019) Revision filogenetica de las especies de cangrejos semiterrestres pertenecientes al genero Gecarcinus Leach, 1814 (Brachyura: Grapsoidea: Gecarcinidae) de Mexico. Tesis de Maestria, Universidad Nacional Autonoma de Mexico, Mexico, 95 pp. [http: // 132.248.9.195 / ptd 2018 / diciembre / 0783828 / Index. html]" type="book" year="2019">Toledano-Carrasco 2019</bibRefCitation>
). Margins of abdomen with dense tufts of hydrophilic setae, facing row of setae on adjacent portions of last sternites (
<bibRefCitation id="EF9B4B4BFFA8FF9927A32A62035F5466" author="Bliss, D." box="[434,558,1303,1329]" pageId="11" pageNumber="226" pagination="59 - 78" refId="ref11061" refString="Bliss, D. (1963) The pericardial sacs of terrestrial Brachyura. In: Whittington, H. B. &amp; Rolfe, W. D. I. (Eds.), Phylogeny and Evolution of Crustacea. Museum of Comparative Zoology, Special Publication, Harvard University, Cambridge, Massachusetts, pp. 59 - 78." type="book chapter" year="1963">Bliss 1963</bibRefCitation>
;
<bibRefCitation id="EF9B4B4BFFA8FF9924282A6203A55466" author="Wolcott, T. G." box="[569,724,1303,1329]" pageId="11" pageNumber="226" pagination="161 - 184" refId="ref16468" refString="Wolcott, T. G. (1984) Uptake of soil interstitial water: mechanisms and ecological significance in the ghost crab Ocypode quadrata and two gecarcinid land crabs. Physiological Zoology, 57 (1), 161 - 184. https: // doi. org / 10.1086 / physzool. 57.1.30155978" type="journal article" year="1984">Wolcott 1984</bibRefCitation>
), Müllers channel absent (
<bibRefCitation id="EF9B4B4BFFA8FF9922122A6205BD5466" author="De Oliveira, T. S." box="[1027,1228,1303,1329]" pageId="11" pageNumber="226" refId="ref11862" refString="De Oliveira, T. S. (2014) Modificacoes esqueletais e apendiculares toracicas para captacao de agua do solo em caranguejos semiterrestres (Crustacea: Brachyura: Grapsoidea: Ocypodoidea). Dissertacao Mestrado en Sistematica, Taxonomia Animal e Biodiversidade. Museu de Zoologia, Universite de Sao Paulo. Available from: http: // www. teses. usp. br / teses / dis- poniveis / 38 / 38131 / tde- 26112014 - 202417 / (accessed 21 September 2021)" type="url" year="2014">De Oliveira 2014</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3106531FFA8FF9926D62A4E05F1567E" pageId="11" pageNumber="226" type="discussion">
<paragraph id="8BB536BAFFA8FF9926D62A4E03B65722" blockId="11.[151,1437,151,1833]" pageId="11" pageNumber="226">
<emphasis id="B97EEAA8FFA8FF9926D62A4E004A5402" bold="true" box="[199,315,1339,1365]" pageId="11" pageNumber="226">Remarks.</emphasis>
<bibRefCitation id="EF9B4B4BFFA8FF9927542A4E035D5402" author="Guinot, D. &amp; Ng, N. K. &amp; Moreno, P. A. R." box="[325,556,1339,1365]" pageId="11" pageNumber="226" pagination="547 - 605" refId="ref12756" refString="Guinot, D., Ng, N. K. &amp; Moreno, P. A. R. (2018) 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). Zoosystema, 40, 547 - 605. https: // doi. org / 10.5252 / zoosystema 2018 v 40 a 26" type="journal article" year="2018">
Guinot
<emphasis id="B97EEAA8FFA8FF99278C2A4E00A05402" box="[413,465,1339,1365]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. (2018)
</bibRefCitation>
reexamined all gecarcinid morphological characters, and divided the family
<taxonomicName id="4C0A4D39FFA8FF9926862A2A005A542E" authorityName="H. Milne-Edwards" authorityYear="1837" box="[151,299,1375,1401]" class="Malacostraca" family="Gecarcinidae" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="family">Gecarcinidae</taxonomicName>
into two subclades. The first clade included:
<taxonomicName id="4C0A4D39FFA8FF99250C2A2A0534542E" authority="Latreille, 1828" authorityName="Latreille" authorityYear="1828" box="[797,1093,1375,1401]" class="Malacostraca" family="Gecarcinidae" genus="Cardisoma" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF99250C2A2A02E9542E" box="[797,920,1375,1401]" italics="true" pageId="11" pageNumber="226">Cardisoma</emphasis>
<bibRefCitation id="EF9B4B4BFFA8FF99258E2A2A0534542E" author="Latreille, P. A." box="[927,1093,1375,1401]" pageId="11" pageNumber="226" pagination="681 - 685" refId="ref14000" refString="Latreille, P. A. (1828) Tourlouroux. Encyclopedic Methodique: Histoire naturelle, entomologie, ou historic naturelle des Crustaces, des Arachnides, et des Insectes, 10, 681 - 685. [https: // www. biodiversitylibrary. org / item / 32580 # page / 691 / mode / 1 up]" type="journal article" year="1828">Latreille, 1828</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0A4D39FFA8FF99225E2A2A01A354CA" authority="A. Milne-Edwards, 1867" authorityName="A. Milne-Edwards" authorityYear="1867" class="Malacostraca" family="Gecarcinidae" genus="Discoplax" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF99225E2A2A05B0542E" box="[1103,1217,1375,1401]" italics="true" pageId="11" pageNumber="226">Discoplax</emphasis>
A.
<bibRefCitation id="EF9B4B4BFFA8FF9922F62A2A01A354CA" author="Milne-Edwards, A." pageId="11" pageNumber="226" pagination="263 - 288" refId="ref14573" refString="Milne-Edwards, A. (1867) Description de quelques especes nouvelles de Crustaces Brachyoures. Annales de la Societe Entomologique de France, 7 (4), 263 - 288. [https: // www. biodiversitylibrary. org / item / 101298 # page / 287 / mode / 1 up]" type="journal article" year="1867">Milne-Edwards, 1867</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C0A4D39FFA8FF99271A2AF6031954CA" authority="Guinot et al., 2018" authorityName="Guinot et al." authorityYear="2018" box="[267,616,1411,1437]" class="Malacostraca" family="Gecarcinidae" genus="Tuerkayana" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF99271A2AF600FE54CA" box="[267,399,1411,1437]" italics="true" pageId="11" pageNumber="226">Tuerkayana</emphasis>
<bibRefCitation id="EF9B4B4BFFA8FF9927842AF6031954CA" author="Guinot, D. &amp; Ng, N. K. &amp; Moreno, P. A. R." box="[405,616,1411,1437]" pageId="11" pageNumber="226" pagination="547 - 605" refId="ref12756" refString="Guinot, D., Ng, N. K. &amp; Moreno, P. A. R. (2018) 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). Zoosystema, 40, 547 - 605. https: // doi. org / 10.5252 / zoosystema 2018 v 40 a 26" type="journal article" year="2018">
Guinot
<emphasis id="B97EEAA8FFA8FF9927F82AF6035154CA" box="[489,544,1411,1437]" italics="true" pageId="11" pageNumber="226">et al.</emphasis>
, 2018
</bibRefCitation>
</taxonomicName>
; the second subclade, with a higher degree of terrestriality, included:
<taxonomicName id="4C0A4D39FFA8FF9923772AF6000E5496" authority="Leach, 1814" authorityName="Leach" authorityYear="1814" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF9923772AF6019B5497" italics="true" pageId="11" pageNumber="226">Gecarcinus</emphasis>
<bibRefCitation id="EF9B4B4BFFA8FF9926E32AD2000E5496" author="Leach, W. E." box="[242,383,1447,1473]" pageId="11" pageNumber="226" pagination="383 - 437" refId="ref14061" refString="Leach, W. E. (1814) Crustaceology. In: Brewster, D. (Ed.), The Edinburgh Encyclopaedia. 7 (2). Balfour, Edinburgh, PP. 383 - 437. [https: // www. biodiversitylibrary. org / item / 114403 # page / 479 / mode / 1 up]" type="book chapter" year="1814">Leach, 1814</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C0A4D39FFA8FF99279A2AD2024D5496" authority="H. Milne-Edwards, 1837" authorityName="H. Milne-Edwards" authorityYear="1837" box="[395,828,1447,1473]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF99279A2AD2036A5496" box="[395,539,1447,1473]" italics="true" pageId="11" pageNumber="226">Gecarcoidea</emphasis>
H.
<bibRefCitation id="EF9B4B4BFFA8FF9924542AD2024D5496" author="Milne-Edwards, H." box="[581,828,1447,1473]" pageId="11" pageNumber="226" refId="ref14629" refString="Milne-Edwards, H. (1837) Histoire naturelle des Crustaces, comprenant lanatomie, la physiologie et la classification de ces animaux. Vol. 2. Atlas (1834, 1837, 1840). Librairie encyclopedique de Roret, Paris, 532 pp. https: // doi. org / 10.5962 / bhl. title. 6234" type="book" year="1837">Milne-Edwards, 1837</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C0A4D39FFA8FF9925692AD205D15496" authority="Turkay, 1970" authorityName="Turkay" authorityYear="1970" box="[888,1184,1447,1473]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF9925692AD205705496" box="[888,1025,1447,1473]" italics="true" pageId="11" pageNumber="226">Johngarthia</emphasis>
<bibRefCitation id="EF9B4B4BFFA8FF9922192AD205D15496" author="Turkay, M." box="[1032,1184,1447,1473]" pageId="11" pageNumber="226" pagination="333 - 354" refId="ref16252" refString="Turkay, M. (1970) Die Gecarcinidae Amerikas. Miteinem Anhanguber Ucides Rahbun (Crustacea: Decapoda). Senckenbergiana Biologica, 51 (5 / 6), 333 - 354. [https: // research. nhm. org / pdfs / 27369 / 27369. pdf]" type="journal article" year="1970">Türkay, 1970</bibRefCitation>
</taxonomicName>
. Among the important characters shared by
<taxonomicName id="4C0A4D39FFA8FF99279B2ABE037B54B2" authorityName="Leach" authorityYear="1814" box="[394,522,1483,1509]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF99279B2ABE037B54B2" box="[394,522,1483,1509]" italics="true" pageId="11" pageNumber="226">Gecarcinus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0A4D39FFA8FF9924542ABE03BF54B2" authorityName="Turkay" authorityYear="1970" box="[581,718,1483,1509]" class="Malacostraca" family="Gecarcinidae" genus="Johngarthia" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="genus">
<emphasis id="B97EEAA8FFA8FF9924542ABE03BF54B2" box="[581,718,1483,1509]" italics="true" pageId="11" pageNumber="226">Johngarthia</emphasis>
</taxonomicName>
is the stridulatory apparatus, which is used to produce sounds when these crabs are disturbed in their retreats (
<bibRefCitation id="EF9B4B4BFFA8FF9924AB2A9A02F4575E" author="Abele, L. G. &amp; Robinson, M. H. &amp; Robinson, B." box="[698,901,1519,1545]" pageId="11" pageNumber="226" pagination="147 - 152" refId="ref10733" refString="Abele, L. G., Robinson, M. H. &amp; Robinson, B. (1973) Observations on sound production by two species of crabs from Panama (Decapoda, Gecarcinidae and Pseudothelphusidae). Crustaceana, 25 (2), 147 - 152. https: // doi. org / 10.1163 / 156854073 X 00795" type="journal article" year="1973">
Abele
<emphasis id="B97EEAA8FFA8FF9925162A9A024B575E" box="[775,826,1519,1545]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. 1973
</bibRefCitation>
). The sound is produced when oblique rows of rugosities on the subhepatic region are rubbed against the tuberculated internal margin of the merus of the cheliped in
<taxonomicName id="4C0A4D39FFA8FF9926A2294200375706" authorityName="De Saussure" authorityYear="1853" box="[179,326,1591,1617]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="quadratus">
<emphasis id="B97EEAA8FFA8FF9926A2294200375706" box="[179,326,1591,1617]" italics="true" pageId="11" pageNumber="226">G. quadratus</emphasis>
</taxonomicName>
, or against a longitudinal tuberculated ridge on the internal surface of the palm of the major cheliped in
<taxonomicName id="4C0A4D39FFA8FF9926A5292E00425722" authorityName="Freminville in Guerin" authorityYear="1832" box="[180,307,1627,1653]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="lateralis">
<emphasis id="B97EEAA8FFA8FF9926A5292E00425722" box="[180,307,1627,1653]" italics="true" pageId="11" pageNumber="226">G. lateralis</emphasis>
</taxonomicName>
(
<bibRefCitation id="EF9B4B4BFFA8FF992753292E009A5722" author="Klaassen, F." box="[322,491,1627,1653]" pageId="11" pageNumber="226" pagination="73 - 79" refId="ref13590" refString="Klaassen, F. (1973) Stridulation und Komminikation durch Substratschall bei Gecarcinus lateralis (Crustacea Decapoda). Journal of Comparative Physiology, 83, 73 - 79. https: // doi. org / 10.1007 / BF 00694574" type="journal article" year="1973">Klaassen 1973</bibRefCitation>
;
<bibRefCitation id="EF9B4B4BFFA8FF9927E4292E03CB5722" author="Abele, L. G. &amp; Robinson, M. H. &amp; Robinson, B." box="[501,698,1627,1653]" pageId="11" pageNumber="226" pagination="147 - 152" refId="ref10733" refString="Abele, L. G., Robinson, M. H. &amp; Robinson, B. (1973) Observations on sound production by two species of crabs from Panama (Decapoda, Gecarcinidae and Pseudothelphusidae). Crustaceana, 25 (2), 147 - 152. https: // doi. org / 10.1163 / 156854073 X 00795" type="journal article" year="1973">
Abele
<emphasis id="B97EEAA8FFA8FF99242E292E03015722" box="[575,624,1627,1653]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. 1973
</bibRefCitation>
).
</paragraph>
<paragraph id="8BB536BAFFA8FF9926D6290A05F1567E" blockId="11.[151,1437,151,1833]" pageId="11" pageNumber="226">
The ability to absorb water from the substrate is well developed in
<taxonomicName id="4C0A4D39FFA8FF9925DE290A041A57CE" authority="(Pocock, 1889)" baseAuthorityName="Pocock" baseAuthorityYear="1889" box="[975,1387,1663,1689]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="natalis">
<emphasis id="B97EEAA8FFA8FF9925DE290A05C557CE" box="[975,1204,1663,1689]" italics="true" pageId="11" pageNumber="226">Gecarcoidea natalis</emphasis>
(
<bibRefCitation id="EF9B4B4BFFA8FF9922D4290A041357CE" author="Pocock, R. I." box="[1221,1378,1663,1689]" pageId="11" pageNumber="226" pagination="556 - 564" refId="ref15373" refString="Pocock, R. I. (1889) On the Arachnida, Myriopoda and land-Crustacea of Christmas Island. Proceedings of the Zoological Society of London, 1888, 556 - 564. https: // doi. org / 10.1111 / j. 1469 - 7998.1888. tb 06733. x" type="journal article" year="1889">Pocock, 1889</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C0A4D39FFA8FF99268629D6000A57EA" authorityName="Freminville in Guerin" authorityYear="1832" box="[151,379,1699,1725]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="lateralis">
<emphasis id="B97EEAA8FFA8FF99268629D6000A57EA" box="[151,379,1699,1725]" italics="true" pageId="11" pageNumber="226">Gecarcinus lateralis</emphasis>
</taxonomicName>
, in which setal tufts extend along the first three pleonal somites and on the coxa of P5 to establish a connection with the pericardial sacs (
<bibRefCitation id="EF9B4B4BFFA8FF99246629B2038357B6" author="Bliss, D." box="[631,754,1735,1761]" pageId="11" pageNumber="226" pagination="59 - 78" refId="ref11061" refString="Bliss, D. (1963) The pericardial sacs of terrestrial Brachyura. In: Whittington, H. B. &amp; Rolfe, W. D. I. (Eds.), Phylogeny and Evolution of Crustacea. Museum of Comparative Zoology, Special Publication, Harvard University, Cambridge, Massachusetts, pp. 59 - 78." type="book chapter" year="1963">Bliss 1963</bibRefCitation>
,
<bibRefCitation id="EF9B4B4BFFA8FF9924EC29B2024957B6" author="Bliss, D." box="[765,824,1735,1761]" pageId="11" pageNumber="226" pagination="355 - 392" refId="ref11124" refString="Bliss, D. (1968) Transition from water to land in decapod crustaceans. American Zoologist, 8 (3), 355 - 392. https: // doi. org / 10.1093 / icb / 8.3.355" type="journal article" year="1968">1968</bibRefCitation>
;
<bibRefCitation id="EF9B4B4BFFA8FF99255229B2057457B6" author="Greenaway, P." box="[835,1029,1735,1761]" pageId="11" pageNumber="226" pagination="211 - 248" refId="ref12371" refString="Greenaway, P. (1988) Ion and water balance. In: Burggren, W. W. &amp; Mcmahon, B. R. (Eds.), Biology of the Land Crabs. Cambridge University Press, Cambridge, pp. 211 - 248. https: // doi. org / 10.1017 / CBO 9780511753428.008" type="book chapter" year="1988">Greenaway 1988</bibRefCitation>
). In
<taxonomicName id="4C0A4D39FFA8FF99222729B2046957B6" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[1078,1304,1735,1761]" class="Malacostraca" family="Gecarcinidae" genus="Gecarcinus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="ruricola">
<emphasis id="B97EEAA8FFA8FF99222729B2046957B6" box="[1078,1304,1735,1761]" italics="true" pageId="11" pageNumber="226">Gecarcinus ruricola</emphasis>
</taxonomicName>
and
<taxonomicName id="4C0A4D39FFA8FF99235C29B203115652" authority="H. Milne Edwards, 1837" authorityName="H. Milne Edwards" authorityYear="1837" class="Malacostraca" family="Gecarcinidae" genus="Gecarcoidea" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="226" phylum="Arthropoda" rank="species" species="lalandii">
<emphasis id="B97EEAA8FFA8FF99235C29B200315652" italics="true" pageId="11" pageNumber="226">Gecarcoidea lalandii</emphasis>
H. Milne Edwards, 1837
</taxonomicName>
, the posterior margin of sternite 7 is lined with dense hydrophilic setae in contact with tufts of setae on the coxa of P5 and pleonal somites 1-3 (
<bibRefCitation id="EF9B4B4BFFA8FF9925B3287A0504567E" author="Guinot, D. &amp; Ng, N. K. &amp; Moreno, P. A. R." box="[930,1141,1807,1833]" pageId="11" pageNumber="226" pagination="547 - 605" refId="ref12756" refString="Guinot, D., Ng, N. K. &amp; Moreno, P. A. R. (2018) 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). Zoosystema, 40, 547 - 605. https: // doi. org / 10.5252 / zoosystema 2018 v 40 a 26" type="journal article" year="2018">
Guinot
<emphasis id="B97EEAA8FFA8FF9925E8287A055B567E" box="[1017,1066,1807,1833]" italics="true" pageId="11" pageNumber="226">et al</emphasis>
. 2018
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).
</paragraph>
</subSubSection>
</treatment>
</document>