treatments-xml/data/50/2A/87/502A87FCEA0AF02793D36680FE2EFA9C.xml
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<mods:title id="BF3F7ADF52ED1F483B1628E99BB0ACA9">A new genus and species of xanthoid crab (Decapoda: Brachyura) from offshore hard bank habitats in the Gulf of Mexico</mods:title>
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<subSubSection id="90996561EA0AF02493D36680FEC8FBBC" box="[151,345,1017,1043]" pageId="1" pageNumber="404" type="nomenclature">
<paragraph id="D83C36EAEA0AF02493D36680FEC8FBBC" blockId="1.[151,345,1017,1043]" box="[151,345,1017,1043]" pageId="1" pageNumber="404">
<heading id="83748186EA0AF02493D36680FEC8FBBC" bold="true" box="[151,345,1017,1043]" fontSize="11" level="1" pageId="1" pageNumber="404" reason="1">
<emphasis id="EAF7EAF8EA0AF02493D36680FEC8FBBC" bold="true" box="[151,345,1017,1043]" pageId="1" pageNumber="404">
<taxonomicName id="1F834D69EA0AF02493D36680FF6EFBBC" ID-CoL="84GNN" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[151,255,1017,1043]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="EAF7EAF8EA0AF02493D36680FF6EFBBC" bold="true" box="[151,255,1017,1043]" italics="true" pageId="1" pageNumber="404">Guinope</emphasis>
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<taxonomicNameLabel id="F1C45783EA0AF02492436680FEC8FBBC" box="[263,345,1017,1043]" pageId="1" pageNumber="404" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="90996561EA0AF02493D36138FDA1FBF4" box="[151,560,1089,1116]" pageId="1" pageNumber="404" type="type_taxon">
<paragraph id="D83C36EAEA0AF02493D36138FDA1FBF4" blockId="1.[151,560,1089,1116]" box="[151,560,1089,1116]" pageId="1" pageNumber="404">
<emphasis id="EAF7EAF8EA0AF02493D36138FEA8FBF4" bold="true" box="[151,313,1089,1115]" pageId="1" pageNumber="404">
<typeStatus id="07388848EA0AF02493D36138FF45FBF4" box="[151,212,1089,1115]" pageId="1" pageNumber="404">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="1F834D69EA0AF0249205613BFE77FBF4" ID-CoL="84GWB" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[321,486,1090,1116]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="tiara" status="sp. nov.">
<emphasis id="EAF7EAF8EA0AF0249205613BFE77FBF4" box="[321,486,1090,1116]" italics="true" pageId="1" pageNumber="404">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA0AF02492AA6138FDA1FBF4" bold="true" box="[494,560,1089,1115]" pageId="1" pageNumber="404">
<taxonomicNameLabel id="F1C45783EA0AF02492AA6138FDA1FBF4" box="[494,560,1089,1115]" pageId="1" pageNumber="404" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</paragraph>
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<subSubSection id="90996561EA0AF02493D361F1FBF2F9FC" pageId="1" pageNumber="404" type="diagnosis">
<paragraph id="D83C36EAEA0AF02493D361F1FBF2F9FC" blockId="1.[151,1437,1160,2015]" pageId="1" pageNumber="404">
<emphasis id="EAF7EAF8EA0AF02493D361F1FE9BFB0C" bold="true" box="[151,266,1160,1187]" pageId="1" pageNumber="404">Diagnosis</emphasis>
. Carapace broader than long, weakly convex, regions poorly defined by shallow grooves, surface granulate, granules increasing in size and density anteriorly in each region; frontal margin bilobed, slightly thickened by dense granules, median fissure distinct; anterolateral teeth moderately-well developed, arrayed in arc, first and second fused, nearly obsolete, giving appearance of three teeth, third and fourth acute to subacute with third directed anteriorly to anteromedially, fourth directed anteriorly to anterolaterally, fifth tooth reduced to small acute process. Chelipeds densely granulate on superior and extensor surfaces, carpus with superoflexor margin having two distinct acute to subacute processes, largest near distal margin, apex directed dorsally. Pereopods two through five (walking legs) with merus extensor margin bearing distinct row of distally-directed, subacute, triangular teeth, strongest distal. Male pleon anteriorly elongate, reaching beyond first pereopod condyle; second somite width subequal to that of first, obscuring seventh sternite except for, at most, small sliver to either side; third through fifth fused, sutures visible externally only as small notches laterally; telson rounded. Male first pleopod (gonopod) long, sinuous, reaching beyond anterior end of median sternal groove in pleonal depression, visible to either side of flexed pleon distally, apex narrowly spatulate. Male second pleopod one-third or less length of first.
</paragraph>
</subSubSection>
<subSubSection id="90996561EA0AF02493836324FCFDF96F" pageId="1" pageNumber="404" type="etymology">
<paragraph id="D83C36EAEA0AF02493836324FA93F934" blockId="1.[151,1437,1160,2015]" pageId="1" pageNumber="404">
<emphasis id="EAF7EAF8EA0AF02493836324FED9F9D8" bold="true" box="[199,328,1629,1655]" pageId="1" pageNumber="404">Etymology</emphasis>
. The generic name
<taxonomicName id="1F834D69EA0AF024916D6324FD18F9D8" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[553,649,1629,1655]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="411" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="EAF7EAF8EA0AF024916D6324FD18F9D8" box="[553,649,1629,1655]" italics="true" pageId="1" pageNumber="404">Guinope</emphasis>
</taxonomicName>
honors our greatly admired colleague, Danièle Guinot, for her extensive contributions to studies of xanthoid and other brachyuran crabs over a very distinguished career.
</paragraph>
<paragraph id="D83C36EAEA0AF024938363DDFCFDF96F" blockId="1.[151,1437,1160,2015]" box="[199,876,1700,1728]" pageId="1" pageNumber="404">
<emphasis id="EAF7EAF8EA0AF024938363DDFE1DF910" bold="true" box="[199,396,1700,1727]" pageId="1" pageNumber="404">Assigned species</emphasis>
.
<taxonomicName id="1F834D69EA0AF02492DE63DCFDA6F910" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[410,567,1701,1727]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA0AF02492DE63DCFDA6F910" box="[410,567,1701,1727]" italics="true" pageId="1" pageNumber="404">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA0AF024917B63DCFD4BF910" bold="true" box="[575,730,1701,1727]" pageId="1" pageNumber="404">
<taxonomicNameLabel id="F1C45783EA0AF024917B63DCFD4BF910" box="[575,730,1701,1727]" pageId="1" pageNumber="404" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
(monotypic)
</paragraph>
</subSubSection>
<subSubSection id="90996561EA0AF027938363B0FE2EFA9C" lastPageId="2" lastPageNumber="405" pageId="1" pageNumber="404" type="discussion">
<paragraph id="D83C36EAEA0AF027938363B0FAB9FEC8" blockId="1.[151,1437,1160,2015]" lastBlockId="2.[151,1437,153,1331]" lastPageId="2" lastPageNumber="405" pageId="1" pageNumber="404">
<emphasis id="EAF7EAF8EA0AF024938363B0FEAAF94C" bold="true" box="[199,315,1737,1763]" pageId="1" pageNumber="404">Remarks.</emphasis>
Previous molecular genetic analyses showed that the species now assigned to
<taxonomicName id="1F834D69EA0AF02497DE63B0FB6BF94C" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[1178,1274,1737,1763]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="EAF7EAF8EA0AF02497DE63B0FB6BF94C" box="[1178,1274,1737,1763]" italics="true" pageId="1" pageNumber="404">Guinope</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA0AF024964463B0FADCF94C" bold="true" box="[1280,1357,1737,1763]" pageId="1" pageNumber="404">
<taxonomicNameLabel id="F1C45783EA0AF024964463B0FADCF94C" box="[1280,1357,1737,1763]" pageId="1" pageNumber="404" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
shared little phylogenetic affinity with other xanthoid genera, though it did appear closely related to
<taxonomicName id="1F834D69EA0AF02497886394FEC8F884" authority="(Stimpson, 1871)" baseAuthorityName="Stimpson" baseAuthorityYear="1871" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="thalamita">
<emphasis id="EAF7EAF8EA0AF02497886394FA0DF8A8" box="[1228,1436,1773,1799]" italics="true" pageId="1" pageNumber="404">Melybia thalamita</emphasis>
(
<bibRefCitation id="BC124B1BEA0AF02493DB6268FEC0F884" author="Stimpson, W." box="[159,337,1809,1835]" pageId="1" pageNumber="404" pagination="109 - 160" refId="ref9412" refString="Stimpson, W. (1871) Preliminary report on the Crustacea dredged in the Gulf Stream in the Straits of Florida by L. F. de Pourtales, Assist. U. S. Coast Survey. Part I. Brachyura. Bulletin of the Museum of Comparative Zoology at Harvard Colleg e, 2, 109 - 160." type="journal article" year="1871">Stimpson, 1871</bibRefCitation>
)
</taxonomicName>
in a clade sister to panopeids and pseudorhombilids (
<bibRefCitation id="BC124B1BEA0AF02490E86268FBEFF884" author="Thoma, B. P. &amp; Guinot, D. &amp; Felder, D. L." box="[940,1150,1809,1835]" pageId="1" pageNumber="404" pagination="86 - 109" refId="ref9641" refString="Thoma, B. P., Guinot, D. &amp; Felder, D. L. (2014) Evolutionary relationships among American mud crabs (Crustacea: Decapoda: Brachyura: Xanthoidea) inferred from nuclear and mitochondrial markers, with comments on adult morphology. Zoological Journal of the Linnean Society, 170, 86 - 109. https: // doi. org / 10.1111 / zoj. 12093" type="journal article" year="2014">
Thoma
<emphasis id="EAF7EAF8EA0AF0249747626BFBA5F884" box="[1027,1076,1809,1835]" italics="true" pageId="1" pageNumber="404">et al</emphasis>
. 2014
</bibRefCitation>
). Analyses based on three mitochondrial markers, 12S rDNA, 16S rDNA, and cytochrome oxidase I (COI), along with three nuclear markers, 18S rDNA, enolase (ENO) and histone H3 (H3) recovered
<taxonomicName id="1F834D69EA0AF024906F6220FC59F8DC" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[811,968,1881,1907]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA0AF024906F6220FC59F8DC" box="[811,968,1881,1907]" italics="true" pageId="1" pageNumber="404">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA0AF024908B6220FBF8F8DC" bold="true" box="[975,1129,1881,1907]" pageId="1" pageNumber="404">
<taxonomicNameLabel id="F1C45783EA0AF024908B6220FBF8F8DC" box="[975,1129,1881,1907]" pageId="1" pageNumber="404" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
(then under “Gen. nov., sp. nov. near
<emphasis id="EAF7EAF8EA0AF02492466204FD85F838" box="[258,532,1917,1943]" italics="true" pageId="1" pageNumber="404">
<taxonomicName id="1F834D69EA0AF02492466204FD9BF838" baseAuthorityName="Rathbun" baseAuthorityYear="1921" box="[258,522,1917,1943]" class="Malacostraca" family="Xanthidae" genus="Garthiope" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="barbadensis">Garthiope barbadensis</taxonomicName>
</emphasis>
) as sister to
<taxonomicName id="1F834D69EA0AF02491D96204FCFBF838" baseAuthorityName="Stimpson" baseAuthorityYear="1871" box="[669,874,1917,1943]" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="thalamita">
<emphasis id="EAF7EAF8EA0AF02491D96204FCFBF838" box="[669,874,1917,1943]" italics="true" pageId="1" pageNumber="404">Melybia thalamita</emphasis>
</taxonomicName>
in a clade proposed to represent
<taxonomicName id="1F834D69EA0AF02497906204FEA5F814" authority="Stevcic, 2005" authorityName="Stevcic" authorityYear="2005" class="Malacostraca" family="Linnaeoxanthidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="family">
Linnaeoxanthidae
<bibRefCitation id="BC124B1BEA0AF02493D362D9FEA5F814" author="Stevcic, Z." box="[151,308,1952,1979]" pageId="1" pageNumber="404" pagination="1 - 159" refId="ref9346" refString="Stevcic, Z. (2005) The reclassification of brachyuran crabs (Crustacea: Decapoda: Brachyura). Natura Croatica, 14, 1 - 159." type="journal article" year="2005">Števčić, 2005</bibRefCitation>
</taxonomicName>
. This clade (i.e., now
<taxonomicName id="1F834D69EA0AF024916E62D8FD59F814" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[554,712,1953,1979]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA0AF024916E62D8FD59F814" box="[554,712,1953,1979]" italics="true" pageId="1" pageNumber="404">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA0AF024919462D8FCFDF814" bold="true" box="[720,876,1953,1979]" pageId="1" pageNumber="404">
<taxonomicNameLabel id="F1C45783EA0AF024919462D8FCFDF814" box="[720,876,1953,1979]" pageId="1" pageNumber="404" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
+
<taxonomicName id="1F834D69EA0AF02490CF62D8FBC8F814" baseAuthorityName="Stimpson" baseAuthorityYear="1871" box="[907,1113,1953,1979]" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="species" species="thalamita">
<emphasis id="EAF7EAF8EA0AF02490CF62D8FBC8F814" box="[907,1113,1953,1979]" italics="true" pageId="1" pageNumber="404">Melybia thalamita</emphasis>
</taxonomicName>
) was in turn sister to a clade comprised of
<taxonomicName id="1F834D69EA0AF024926B62BCFDCFF870" authority="Ortmann, 1893" authorityName="Ortmann" authorityYear="1893" box="[303,606,1989,2015]" class="Malacostraca" family="Panopeidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="family">
Panopeidae
<bibRefCitation id="BC124B1BEA0AF02492F262BCFDCFF870" author="Ortmann, A. E." box="[438,606,1989,2015]" pageId="1" pageNumber="404" pagination="411 - 495" refId="ref8886" refString="Ortmann, A. E. (1893) Die Decapoden-Krebse des Strassburger Museums, mit besonderer Berucksichtigung der von Herrn Dr. Doderlein bei Japan und bei den Liu-Kiu-Inseln gesammelten und zur Zeit im Strassburger Museum aufbewahrten Formen. VII. Theil. Abtheilung: Brachyura (Brachyura genuina Boas) II. Unterabtheilung: Cancroidea, 2. Section: Cancrinea, 1. Gruppe: Cyclometopa. Zoologische Jahrbucher, Abtheilung fur Systematik, Geographie, und Biologie der Thiere, 7, 411 - 495. https: // doi. org / 10.5962 / bhl. part. 24064" type="journal article" year="1893">Ortmann, 1893</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="1F834D69EA0AF02491D662BCFB95F870" authority="Alcock, 1900" authorityName="Alcock" authorityYear="1900" box="[658,1028,1989,2015]" class="Malacostraca" family="Pseudorhombilidae" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="404" phylum="Arthropoda" rank="family">
Pseudorhombilidae
<bibRefCitation id="BC124B1BEA0AF024902A62BCFB95F870" author="Alcock, A." box="[878,1028,1989,2015]" pageId="1" pageNumber="404" pagination="279 - 456" refId="ref7853" refString="Alcock, A. (1900) Materials for a carcinological fauna of India. No. 6. The Brachyura Catometopa, or Grapsoidea. Journal of the Asiatic Society of Bengal, 69, 279 - 456. https: // doi. org / 10.5962 / bhl. title. 15344" type="journal article" year="1900">Alcock, 1900</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="BC124B1BEA0AF024975562BCFB70F870" author="Thoma, B. P. &amp; Guinot, D. &amp; Felder, D. L." box="[1041,1249,1989,2015]" pageId="1" pageNumber="404" pagination="86 - 109" refId="ref9641" refString="Thoma, B. P., Guinot, D. &amp; Felder, D. L. (2014) Evolutionary relationships among American mud crabs (Crustacea: Decapoda: Brachyura: Xanthoidea) inferred from nuclear and mitochondrial markers, with comments on adult morphology. Zoological Journal of the Linnean Society, 170, 86 - 109. https: // doi. org / 10.1111 / zoj. 12093" type="journal article" year="2014">
Thoma
<emphasis id="EAF7EAF8EA0AF024972C62BFFB0EF870" box="[1128,1183,1989,2015]" italics="true" pageId="1" pageNumber="404">et al.</emphasis>
2014
</bibRefCitation>
), though without these molecular phylogenetic analyses having included the Indo-West Pacific
<typeStatus id="07388848EA09F027974365E0FBA6FF1C" box="[1031,1079,153,179]" pageId="2" pageNumber="405">type</typeStatus>
species of the family,
<taxonomicName id="1F834D69EA09F027967365E3FDDDFF78" authority="(Rathbun, 1911)" baseAuthorityName="Rathbun" baseAuthorityYear="1911" class="Malacostraca" family="Xanthidae" genus="Linnaeoxantho" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="acanthomerus">
<emphasis id="EAF7EAF8EA09F027967365E3FE1AFF78" italics="true" pageId="2" pageNumber="405">Linnaeoxantho acanthomerus</emphasis>
(
<bibRefCitation id="BC124B1BEA09F02792DF65C4FDD5FF78" author="Rathbun, M. J." box="[411,580,189,215]" pageId="2" pageNumber="405" pagination="191 - 261" refId="ref9034" refString="Rathbun, M. J. (1911) The Percy Sladen Trust expedition to the Indian Ocean in 1905, under the leadership of Mr. J. Stanley Gardiner. Vol. III. No. XI. Marine Brachyura. The Transactions of the Linnean Society of London, Series 2, Zoology, 14, 191 - 261. https: // doi. org / 10.1111 / j. 1096 - 3642.1911. tb 00084. x" type="journal article" year="1911">Rathbun, 1911</bibRefCitation>
)
</taxonomicName>
(see
<bibRefCitation id="BC124B1BEA09F02791CE65C4FCEBFF78" author="Mendoza, J. C. &amp; Clark, P. F. &amp; Ng, P. K. L." box="[650,890,189,215]" pageId="2" pageNumber="405" pagination="211 - 221" refId="ref8692" refString="Mendoza, J. C., Clark, P. F. &amp; Ng, P. K. L. (2012) The identity of Pilumnoplax acanthomerus Rathbun, 1911 (Crustacea: Decapoda: Brachyura: Xanthidae), with new records from the central and western Pacific. Zootaxa, 3367 (1), 211 - 221. https: // doi. org / 10.11646 / zootaxa. 3367.1.20" type="journal article" year="2012">
Mendoza
<emphasis id="EAF7EAF8EA09F02791BF65C7FCA4FF78" box="[763,821,189,215]" italics="true" pageId="2" pageNumber="405">et al.</emphasis>
2012
</bibRefCitation>
;
<bibRefCitation id="BC124B1BEA09F02790C265C4FBCFFF78" author="Thoma, B. P. &amp; Guinot, D. &amp; Felder, D. L." box="[902,1118,189,215]" pageId="2" pageNumber="405" pagination="86 - 109" refId="ref9641" refString="Thoma, B. P., Guinot, D. &amp; Felder, D. L. (2014) Evolutionary relationships among American mud crabs (Crustacea: Decapoda: Brachyura: Xanthoidea) inferred from nuclear and mitochondrial markers, with comments on adult morphology. Zoological Journal of the Linnean Society, 170, 86 - 109. https: // doi. org / 10.1111 / zoj. 12093" type="journal article" year="2014">
Thoma
<emphasis id="EAF7EAF8EA09F027909A65C7FB89FF78" box="[990,1048,189,215]" italics="true" pageId="2" pageNumber="405">et al.</emphasis>
2014
</bibRefCitation>
). Morphologically,
<taxonomicName id="1F834D69EA09F027967865C4FA0DFF78" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[1340,1436,189,215]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="EAF7EAF8EA09F027967865C4FA0DFF78" box="[1340,1436,189,215]" italics="true" pageId="2" pageNumber="405">Guinope</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02793D36598FF77FF54" bold="true" box="[151,230,225,251]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02793D36598FF77FF54" box="[151,230,225,251]" pageId="2" pageNumber="405" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
shares few of the diagnostic features proposed by
<bibRefCitation id="BC124B1BEA09F02790616598FBB0FF54" author="Mendoza, J. C. &amp; Clark, P. F. &amp; Ng, P. K. L." box="[805,1057,225,251]" pageId="2" pageNumber="405" pagination="211 - 221" refId="ref8692" refString="Mendoza, J. C., Clark, P. F. &amp; Ng, P. K. L. (2012) The identity of Pilumnoplax acanthomerus Rathbun, 1911 (Crustacea: Decapoda: Brachyura: Xanthidae), with new records from the central and western Pacific. Zootaxa, 3367 (1), 211 - 221. https: // doi. org / 10.11646 / zootaxa. 3367.1.20" type="journal article" year="2012">
Mendoza
<emphasis id="EAF7EAF8EA09F02790D1659BFC5FFF54" box="[917,974,225,251]" italics="true" pageId="2" pageNumber="405">et al.</emphasis>
(2012)
</bibRefCitation>
to join the linnaeoxanthid genera
<taxonomicName id="1F834D69EA09F02793D3647CFEAEFEB0" authorityName="Stevcic" authorityYear="2005" box="[151,319,261,287]" class="Malacostraca" family="Xanthidae" genus="Linnaeoxantho" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus">
<emphasis id="EAF7EAF8EA09F02793D3647CFEAEFEB0" box="[151,319,261,287]" italics="true" pageId="2" pageNumber="405">Linnaeoxantho</emphasis>
</taxonomicName>
and
<taxonomicName id="1F834D69EA09F0279230647CFE41FEB0" authorityName="Stimpson" authorityYear="1871" box="[372,464,261,287]" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus">
<emphasis id="EAF7EAF8EA09F0279230647CFE41FEB0" box="[372,464,261,287]" italics="true" pageId="2" pageNumber="405">Melybia</emphasis>
</taxonomicName>
, and differs from them in lacking any evidence of a ventrodistally directed spine on the posterior (inferoventral) margin of any ambulatory pereopod. For the present, we regard its assignment to the family
<taxonomicName id="1F834D69EA09F02793D36434FEF1FEC8" authorityName="Stevcic" authorityYear="2005" box="[151,352,333,359]" class="Malacostraca" family="Linnaeoxanthidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="family">Linnaeoxanthidae</taxonomicName>
as provisional, pending molecular genetic analyses that include the
<typeStatus id="07388848EA09F027971F6434FB1AFEC8" box="[1115,1163,333,359]" pageId="2" pageNumber="405">type</typeStatus>
of the family.
</paragraph>
<paragraph id="D83C36EAEA09F02793836408FD1CFD90" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="405">
In a previous study of the group, focused on Old World xanthoids, analyses inferred from four loci (12S, 16S, COI, and H3) recovered a similar arrangement with
<taxonomicName id="1F834D69EA09F02791B364ECFC06FE00" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[759,919,405,431]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F02791B364ECFC06FE00" box="[759,919,405,431]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02790E564ECFBD4FE00" bold="true" box="[929,1093,405,431]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02790E564ECFBD4FE00" box="[929,1093,405,431]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
(therein “new genus nr.
<emphasis id="EAF7EAF8EA09F027962264ECFF7DFE7C" italics="true" pageId="2" pageNumber="405">
<taxonomicName id="1F834D69EA09F027962264ECFF73FE7C" authorityName="Guinot" authorityYear="1990" class="Malacostraca" family="Xanthidae" genus="Garthiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus">Garthiope</taxonomicName>
</emphasis>
) as sister to a clade comprised of taxa now considered to represent the families
<taxonomicName id="1F834D69EA09F02797C364C0FA99FE7C" authorityName="Ortmann" authorityYear="1893" box="[1159,1288,441,467]" class="Malacostraca" family="Panopeidae" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="family">Panopeidae</taxonomicName>
and
<taxonomicName id="1F834D69EA09F027960664C0FE8FFE58" authorityName="Alcock" authorityYear="1900" class="Malacostraca" family="Pseudorhombilidae" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="family">Pseudorhombilidae</taxonomicName>
(
<bibRefCitation id="BC124B1BEA09F027926964A4FE45FE58" author="Lai, J. C. Y. &amp; Mendoza, J. C. E. &amp; Guinot, D. &amp; Clark, P. F. &amp; Ng, P. K. L." box="[301,468,477,503]" pageId="2" pageNumber="405" pagination="407 - 448" refId="ref8361" refString="Lai, J. C. Y., Mendoza, J. C. E., Guinot, D., Clark, P. F. &amp; Ng, P. K. L. (2011) Xanthidae MacLeay, 1838 (Decapoda: Brachyura: Xanthoidea) systematics: A multi-gene approach with support from adult and zoeal morphology. Zoologischer Anzeiger - A Journal of Comparative Zoology, 250, 407 - 448. https: // doi. org / 10.1016 / j. jcz. 2011.07.002" type="journal article" year="2011">
Lai
<emphasis id="EAF7EAF8EA09F027921F64A7FE1DFE58" box="[347,396,477,503]" italics="true" pageId="2" pageNumber="405">et al</emphasis>
. 2011
</bibRefCitation>
, fig. 1). While support for this arrangement was poor (BS 56 / pP 62), it must be noted that
<taxonomicName id="1F834D69EA09F027938E6778FEF9FDB4" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[202,360,513,539]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F027938E6778FEF9FDB4" box="[202,360,513,539]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02792356778FD80FDB4" bold="true" box="[369,529,513,539]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02792356778FD80FDB4" box="[369,529,513,539]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
was represented by only two (12S and 16S rDNA) of the four genes applied to most other species in this particular analysis.
</paragraph>
<paragraph id="D83C36EAEA09F02793836730FBEBFC64" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="405">
In earlier analyses of the group, the relationship between
<taxonomicName id="1F834D69EA09F02790026730FC75FDCC" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[838,996,585,611]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n sp.">
<emphasis id="EAF7EAF8EA09F02790026730FC75FDCC" box="[838,996,585,611]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F1C45783EA09F02790AF6730FBEFFDCC" box="[1003,1150,585,611]" pageId="2" pageNumber="405" rank="species">
<emphasis id="EAF7EAF8EA09F02790AF6730FBE6FDCC" bold="true" box="[1003,1143,585,611]" pageId="2" pageNumber="405">n. gen., n sp</emphasis>
.
</taxonomicNameLabel>
and other representatives of Xanthoidea varied by loci, with analyses of 12S and 16S rDNA inferring somewhat different relationships. In analysis of 16S rDNA,
<taxonomicName id="1F834D69EA09F02792E467E8FDAFFD04" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[416,574,657,683]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F02792E467E8FDAFFD04" box="[416,574,657,683]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F027910267E8FD72FD04" bold="true" box="[582,739,657,683]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F027910267E8FD72FD04" box="[582,739,657,683]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
(therein as “
<emphasis id="EAF7EAF8EA09F027903167E8FB19FD04" box="[885,1160,657,683]" italics="true" pageId="2" pageNumber="405">
<taxonomicName id="1F834D69EA09F027903167E8FBEEFD04" baseAuthorityName="Rathbun" baseAuthorityYear="1921" box="[885,1151,657,683]" class="Malacostraca" family="Xanthidae" genus="Garthiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="barbadensis">Garthiope barbadensis</taxonomicName>
</emphasis>
) was recovered as sister to a poorly supported clade (BS &lt;50/ pP 68) comprised of
<taxonomicName id="1F834D69EA09F027906767CCFA8BFD60" authority="A. Milne-Edwards, 1880 b" authorityName="A. Milne-Edwards" authorityYear="1880" box="[803,1306,693,719]" class="Malacostraca" family="Panopeidae" genus="Glyptoplax" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="smithii">
<emphasis id="EAF7EAF8EA09F027906767CCFC63FD60" box="[803,1010,693,719]" italics="true" pageId="2" pageNumber="405">Glyptoplax smithii</emphasis>
A.
<bibRefCitation id="BC124B1BEA09F027975C67CCFA8BFD60" author="Milne-Edwards, A." box="[1048,1306,693,719]" pageId="2" pageNumber="405" pagination="1 - 8" refId="ref8826" refString="Milne-Edwards, A. (1880 b) Etudes sur les Xiphosures et les Crustaces podophthalmaires. In: Mission scientifique, Recherches zoologiques pour servir a l'histoire de la faune de l'Amerique Centrale et du Mexique, Cinquieme partie, 8, 313 - 368, 1 - 8 (unpaginated), pls. 55 - 61." type="journal article" year="1880">Milne-Edwards, 1880b</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="1F834D69EA09F027960A67CFFD9BFD5C" authority="(Dana, 1851)" baseAuthorityName="Dana" baseAuthorityYear="1851" class="Malacostraca" family="Panopeidae" genus="Eucratopsis" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="crassimanus">
<emphasis id="EAF7EAF8EA09F027960A67CFFEFCFD5C" italics="true" pageId="2" pageNumber="405">Eucratopsis crassimanus</emphasis>
(
<bibRefCitation id="BC124B1BEA09F027923967A0FD93FD5C" author="Dana, J. D." box="[381,514,728,755]" pageId="2" pageNumber="405" pagination="247 - 254" refId="ref7907" refString="Dana, J. D. (1851) Conspectus Crustaceorum quae in Orbis Terrarum circumnavigatione, Carolo Wilkes e Classe Reipublicae Foederatae Duce, lexit et descripsit. Proceedings of the Academy of Natural Sciences of Philadelphia, 5, 247 - 254." type="journal article" year="1851">Dana, 1851</bibRefCitation>
)
</taxonomicName>
(
<bibRefCitation id="BC124B1BEA09F027915E67A0FD61FD5C" author="Thoma, B. P. &amp; Schubart, C. D. &amp; Felder, D. L." box="[538,752,729,755]" pageId="2" pageNumber="405" pagination="551 - 565" refId="ref9534" refString="Thoma, B. P., Schubart, C. D. &amp; Felder, D. L. (2009) Molecular phylogeny of Western Atlantic representatives of the genus Hexapanopeus (Decapoda: Brachyura: Panopeidae). In: Martin, J. W., Crandall, K. A. &amp; Felder, D. L. (Eds.), Decapod Crustacean Phylogenetics. CRC Press, Taylor &amp; Francis Group, Boca Raton, London, New York, pp. 551 - 565. https: // doi. org / 10.1201 / 9781420092592 - c 28" type="book chapter" year="2009">
Thoma
<emphasis id="EAF7EAF8EA09F027913767A3FD37FD5C" box="[627,678,729,755]" italics="true" pageId="2" pageNumber="405">et al</emphasis>
. 2009
</bibRefCitation>
, fig. 1). In the same study, analyses of 12S rDNA recovered
<taxonomicName id="1F834D69EA09F02793D36784FEA6FCB8" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[151,311,765,791]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F02793D36784FEA6FCB8" box="[151,311,765,791]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02792046784FE73FCB8" bold="true" box="[320,482,765,791]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02792046784FE73FCB8" box="[320,482,765,791]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
(again as “
<emphasis id="EAF7EAF8EA09F027912C6784FCECFCB8" box="[616,893,765,791]" italics="true" pageId="2" pageNumber="405">
<taxonomicName id="1F834D69EA09F027912C6784FCE2FCB8" baseAuthorityName="Rathbun" baseAuthorityYear="1921" box="[616,883,765,791]" class="Malacostraca" family="Xanthidae" genus="Garthiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="barbadensis">Garthiope barbadensis</taxonomicName>
</emphasis>
) near the root as sister to all other xanthoids + pilumnoids, but support values for this arrangement were generally poor as well (BS &lt;50 / pP &lt;50) (
<bibRefCitation id="BC124B1BEA09F027964F6658FF43FCF0" author="Thoma, B. P. &amp; Schubart, C. D. &amp; Felder, D. L." pageId="2" pageNumber="405" pagination="551 - 565" refId="ref9534" refString="Thoma, B. P., Schubart, C. D. &amp; Felder, D. L. (2009) Molecular phylogeny of Western Atlantic representatives of the genus Hexapanopeus (Decapoda: Brachyura: Panopeidae). In: Martin, J. W., Crandall, K. A. &amp; Felder, D. L. (Eds.), Decapod Crustacean Phylogenetics. CRC Press, Taylor &amp; Francis Group, Boca Raton, London, New York, pp. 551 - 565. https: // doi. org / 10.1201 / 9781420092592 - c 28" type="book chapter" year="2009">
Thoma
<emphasis id="EAF7EAF8EA09F0279620665BFA04FC94" box="[1380,1429,801,827]" italics="true" pageId="2" pageNumber="405">et al</emphasis>
. 2009
</bibRefCitation>
, fig. 2). While not recognized at the time (nor in
<bibRefCitation id="BC124B1BEA09F02791B9663CFC6DFCF0" author="Felder, D. L. &amp; Thoma, B. P." box="[765,1020,837,863]" pageId="2" pageNumber="405" pagination="117 - 138" refId="ref8047" refString="Felder, D. L. &amp; Thoma, B. P. (2010) Description of Etisus guinotae n. sp., and discussion of its recent discovery in the Gulf of Mexico (Brachyura, Decapoda, Xanthidae). 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. Brill, Leiden, pp. 117 - 138. https: // doi. org / 10.1163 / ej. 9789004170865. i- 366.78" type="book chapter" year="2010">Felder &amp; Thoma 2010</bibRefCitation>
), that analysis did include
<taxonomicName id="1F834D69EA09F027966D663CFDB6FC2C" authority="(A. Milne-Edwards, 1880)" baseAuthorityName="A. Milne-Edwards" baseAuthorityYear="1880" class="Malacostraca" family="Xanthidae" genus="Garthiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="spinipes">
<emphasis id="EAF7EAF8EA09F027966D663CFF62FC2C" italics="true" pageId="2" pageNumber="405">Garthiope spinipes</emphasis>
(A. Milne-Edwards, 1880)
</taxonomicName>
,
<typeStatus id="07388848EA09F02791776610FDF2FC2C" box="[563,611,873,899]" pageId="2" pageNumber="405">type</typeStatus>
species of its genus, albeit as a juvenile originally misidentified as
<taxonomicName id="1F834D69EA09F027961A6613FEADFC08" baseAuthorityName="A. Milne-Edwards" baseAuthorityYear="1880" class="Malacostraca" family="Xanthidae" genus="Batodaeus" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="urinator">
<emphasis id="EAF7EAF8EA09F027961A6613FEADFC08" italics="true" pageId="2" pageNumber="405">Batodaeus urinator</emphasis>
</taxonomicName>
. In the analyses of
<bibRefCitation id="BC124B1BEA09F027915766F4FD65FC08" author="Thoma, B. P. &amp; Guinot, D. &amp; Felder, D. L." box="[531,756,909,935]" pageId="2" pageNumber="405" pagination="86 - 109" refId="ref9641" refString="Thoma, B. P., Guinot, D. &amp; Felder, D. L. (2014) Evolutionary relationships among American mud crabs (Crustacea: Decapoda: Brachyura: Xanthoidea) inferred from nuclear and mitochondrial markers, with comments on adult morphology. Zoological Journal of the Linnean Society, 170, 86 - 109. https: // doi. org / 10.1111 / zoj. 12093" type="journal article" year="2014">
Thoma
<emphasis id="EAF7EAF8EA09F027912D66F7FD31FC08" box="[617,672,909,935]" italics="true" pageId="2" pageNumber="405">et al.</emphasis>
(2014)
</bibRefCitation>
, labeling the type-species of
<taxonomicName id="1F834D69EA09F027977366F4FB3BFC08" authorityName="Guinot" authorityYear="1990" box="[1079,1194,909,935]" class="Malacostraca" family="Xanthidae" genus="Garthiope" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus">
<emphasis id="EAF7EAF8EA09F027977366F4FB3BFC08" box="[1079,1194,909,935]" italics="true" pageId="2" pageNumber="405">Garthiope</emphasis>
</taxonomicName>
was corrected, showing that genus to be well separated from the clade herein assigned to the
<taxonomicName id="1F834D69EA09F027908066C8FBB5FC64" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[964,1060,945,971]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="EAF7EAF8EA09F027908066C8FBB5FC64" box="[964,1060,945,971]" italics="true" pageId="2" pageNumber="405">Guinope</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F027976866C8FBEBFC64" bold="true" box="[1068,1146,945,971]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F027976866C8FBEBFC64" box="[1068,1146,945,971]" pageId="2" pageNumber="405" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
</paragraph>
<paragraph id="D83C36EAEA09F027938366ACFE2EFA9C" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="405">
Although phylogenetic relationships
<taxonomicName id="1F834D69EA09F027912E66ACFC98FC40" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[618,777,981,1007]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F027912E66ACFC98FC40" box="[618,777,981,1007]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F027905666ACFC23FC40" bold="true" box="[786,946,981,1007]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F027905666ACFC23FC40" box="[786,946,981,1007]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
to other xanthoids remain somewhat unresolved, molecular genetic analyses unambiguously show that
<taxonomicName id="1F834D69EA09F02790006680FC71FBBC" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[836,992,1017,1043]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F02790006680FC71FBBC" box="[836,992,1017,1043]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02790A36680FB11FBBC" bold="true" box="[999,1152,1017,1043]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02790A36680FB11FBBC" box="[999,1152,1017,1043]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
is part of the superfamily Xanthoidea and that it has affinities to both panopeids and pseudorhombilids. While current analyses indicate that
<taxonomicName id="1F834D69EA09F02793D36138FEA7FBF4" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[151,310,1089,1115]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="n. gen., n. sp.">
<emphasis id="EAF7EAF8EA09F02793D36138FEA7FBF4" box="[151,310,1089,1115]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F027927A6138FE4CFBF4" bold="true" box="[318,477,1089,1115]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F027927A6138FE4CFBF4" box="[318,477,1089,1115]" pageId="2" pageNumber="405" rank="species">n. gen., n. sp.</taxonomicNameLabel>
</emphasis>
is more closely related to
<taxonomicName id="1F834D69EA09F027904F6138FC4BFBF4" baseAuthorityName="Stimpson" baseAuthorityYear="1871" box="[779,986,1089,1115]" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="thalamita">
<emphasis id="EAF7EAF8EA09F027904F6138FC4BFBF4" box="[779,986,1089,1115]" italics="true" pageId="2" pageNumber="405">Melybia thalamita</emphasis>
</taxonomicName>
than to any other genetically compared xanthoid, it clearly represents a separate genus from
<taxonomicName id="1F834D69EA09F027919E611CFCA7FBD0" authorityName="Stimpson" authorityYear="1871" box="[730,822,1125,1151]" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus">
<emphasis id="EAF7EAF8EA09F027919E611CFCA7FBD0" box="[730,822,1125,1151]" italics="true" pageId="2" pageNumber="405">Melybia</emphasis>
</taxonomicName>
, both as inferred from molecular phylogenetic analyses and as readily evident in morphology.
<taxonomicName id="1F834D69EA09F027910361F0FD36FB0C" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[583,679,1161,1187]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="EAF7EAF8EA09F027910361F0FD36FB0C" box="[583,679,1161,1187]" italics="true" pageId="2" pageNumber="405">Guinope</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02791EA61F0FD6CFB0C" bold="true" box="[686,765,1161,1187]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02791EA61F0FD6CFB0C" box="[686,765,1161,1187]" pageId="2" pageNumber="405" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
shares with
<taxonomicName id="1F834D69EA09F02790CF61F0FC76FB0C" authorityName="Stimpson" authorityYear="1871" box="[907,999,1161,1187]" class="Malacostraca" family="Xanthidae" genus="Melybia" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="genus">
<emphasis id="EAF7EAF8EA09F02790CF61F0FC76FB0C" box="[907,999,1161,1187]" italics="true" pageId="2" pageNumber="405">Melybia</emphasis>
</taxonomicName>
a generally quadridentate anterolateral carapace margin, but the overall carapace shape and marginal tooth development, proportions of the chelipeds, and armor of the pereopods is not similar in the two genera. Further morphological comparisons of the sympatric species representing these two monotypic genera are undertaken under Remarks following the description of
<taxonomicName id="1F834D69EA09F02797BB618CFA0DFAA0" authority="Thoma &amp; Felder, 2020" authorityName="Thoma &amp; Felder" authorityYear="2020" box="[1279,1436,1269,1295]" class="Malacostraca" family="Linnaeoxanthidae" genus="Guinope" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="405" phylum="Arthropoda" rank="species" species="tiara" status="gen. nov.">
<emphasis id="EAF7EAF8EA09F02797BB618CFA0DFAA0" box="[1279,1436,1269,1295]" italics="true" pageId="2" pageNumber="405">Guinope tiara</emphasis>
</taxonomicName>
<emphasis id="EAF7EAF8EA09F02793D36060FEBAFA9C" bold="true" box="[151,299,1305,1331]" pageId="2" pageNumber="405">
<taxonomicNameLabel id="F1C45783EA09F02793D36060FF77FA9C" box="[151,230,1305,1331]" pageId="2" pageNumber="405" rank="genus">n. gen.</taxonomicNameLabel>
n. sp.
</emphasis>
that follows.
</paragraph>
</subSubSection>
</treatment>
</document>