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<mods:title id="6E09D4654C733F4087BA7593BC4392A9">A new cryptic species of Polybiidae (Crustacea: Decapoda: Portunoidea) from the East Atlantic, with considerations on the genus Polybius</mods:title>
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<mods:namePart id="4F0EA7F0EE1ACDCAEDA3AFD81FF5731D">García-Raso, J. Enrique</mods:namePart>
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<mods:affiliation id="4D328F069985367F6BA6C76D5E6B7E33">Department Biología Animal, Faculty Ciencias, University of Málaga, Campus de Teatinos s / n, 29006 Málaga, Spain.</mods:affiliation>
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<mods:namePart id="0D1FFAF8A9BE03D8BAE4D9738F08370F">D'Udekem D'Acoz, Cédric</mods:namePart>
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<mods:affiliation id="701A918FE250CE94B45E14B5108CB418">Service Heritage, Royal Belgian Institute of Natural Sciences, Rue Vautier 29, 1000 Brussels, Belgium.</mods:affiliation>
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<mods:namePart id="5835368BA21D9F28F65FCC4C74EB2D29">Moukrim, Abdellatif</mods:namePart>
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<mods:affiliation id="1423BAFA863783EF93FCB70BFE122D30">Laboratoire Aquamar, Fac. Sc. Agadir, Université Ibn Zohr, Morocco.</mods:affiliation>
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<mods:namePart id="74B0BCFC5C3C632EB6A893CA5A16EA20">Schubart, Christoph D.</mods:namePart>
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<mods:affiliation id="B4E9C7285B089A0D7134518855C40B33">Deceased 21 March 2023. Former address: Zoology and Evolutionary Biology, University of Regensburg, 93040 Regensburg, Germany.</mods:affiliation>
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<heading id="246E4407FF9BFFF561D5FD52EF5BFD61" box="[487,1101,694,721]" centered="true" fontSize="11" level="2" pageId="9" pageNumber="286" reason="2">
Genus
<taxonomicName id="B89988E8FF9BFFF5620BFD53E82CFD61" ID-CoL="7PTGQ" authority="Leach, 1820" authorityName="Leach" authorityYear="1820" box="[569,826,694,721]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="genus">
<emphasis id="4DED2F79FF9BFFF5620BFD53E9B7FD61" bold="true" box="[569,673,694,721]" italics="true" pageId="9" pageNumber="286">Polybius</emphasis>
Leach, 1820
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[in
<bibRefCitation id="1B088E9AFF9BFFF5635BFD52E8ECFD61" author="Leach W. E." box="[873,1018,694,721]" pageId="9" pageNumber="286" refId="ref15483" refString="Leach W. E. 1815 - 1875. Malacostraca Podophthalmata Britanniae, or, Descriptions of such British Species of the Linnean Genus Cancer as have their Eyes Elevated on Footstalks. J. Sowerby, London. https: // doi. org / 10.5962 / bhl. title. 11573" type="book" year="1815">Leach, 1815</bibRefCitation>
1875]
</heading>
</paragraph>
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<subSubSection id="3783A0E0FF9BFFF5608FFD1DEE6EFB11" pageId="9" pageNumber="286" type="diagnosis">
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<heading id="246E4407FF9BFFF5608FFD1DEABFFCA2" bold="true" box="[189,425,760,786]" fontSize="11" level="3" pageId="9" pageNumber="286" reason="3">
<emphasis id="4DED2F79FF9BFFF5608FFD1DEABFFCA2" bold="true" box="[189,425,760,786]" pageId="9" pageNumber="286">Modified diagnosis</emphasis>
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</paragraph>
<paragraph id="7F26F36BFF9BFFF5608FFCC2EE6EFB11" blockId="9.[189,1400,807,1185]" pageId="9" pageNumber="286">Carapace circular or suboval, slightly or clearly broader than long, often convex longitudinally; generally with well-defined regions; smooth, or ornamented with transverse ridges or granules; naked or with short hairiness. Frontal margin tri-lobulated or tridentate. Anterolateral margins with five teeth, including external orbital, somewhat flattened, more or less equal or decreasing in size, from third to fifth, with pointed or rounded apices; the first four teeth are directed forwards, the last one may be directed laterally or anterolaterally. Marked posterolateral reentrants. Orbits with two fissures on upper orbital margin, ventral outer orbital margin with a broad to narrow longitudinal incision. With a gap between the ventral internal orbital margin and the second antenal peduncle segment that is in contact with the lower-lateral margin of the frontal region. Chelipeds generally shorter than pereiopods; merus without distal ventral tooth, carpus of cheliped with large spine on inner angle. Propodus of pereiopod 2 to 4 each with a ventral ridge. Dactylus of pereiopod 5 compressed, paddle-like or broadly lanceolate.</paragraph>
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<heading id="246E4407FF9BFFF5608FFB2DEA39FB52" bold="true" box="[189,303,1224,1250]" fontSize="11" level="3" pageId="9" pageNumber="286" reason="3">
<emphasis id="4DED2F79FF9BFFF5608FFB2DEA39FB52" bold="true" box="[189,303,1224,1250]" pageId="9" pageNumber="286">Remarks</emphasis>
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</paragraph>
<paragraph id="7F26F36BFF9BFFF5608FFB12EE67F9C1" blockId="9.[189,1399,1271,1649]" pageId="9" pageNumber="286">
Within this genus, and according to our data and the previous information provided by
<bibRefCitation id="1B088E9AFF9BFFF564DEFB12EA96FA84" author="Schubart C. D. &amp; Reuschel S." pageId="9" pageNumber="286" pagination="533 - 549" refId="ref17063" refString="Schubart C. D. &amp; Reuschel S. 2009. A proposal for a new classification of Portunoidea and Cancroidea (Brachyura: Heterotremata) based on two independent molecular phylogenies. In: Martin J. W. et al. (eds) Decapod Crustacean Phylogenetics. Crustacean Issues 18: 533 - 549. https: // doi. org / 10.1201 / 9781420092592 - c 27" type="journal article" year="2009">Schubart &amp; Reuschel (2009)</bibRefCitation>
,
<bibRefCitation id="1B088E9AFF9BFFF561BEFAFFE9B1FA84" author="Spiridonov V. A. &amp; Neretina T. V. &amp; Schepetov D." box="[396,679,1306,1332]" pageId="9" pageNumber="286" pagination="404 - 429" refId="ref17359" refString="Spiridonov V. A., Neretina T. V. &amp; Schepetov D. 2014. Morphological characterization and molecular phylogeny of Portunoidea Rafinesque, 1815 (Crustacea Brachyura): implications for understanding evolution of swimming capacity and revision of the family-level classification. Zoologischer Anzeiger 253 (5): 404 - 429. https: // doi. org / 10.1016 / j. jcz. 2014.03.003" type="journal article" year="2014">
Spiridonov
<emphasis id="4DED2F79FF9BFFF56224FAFEE946FA84" box="[534,592,1306,1332]" italics="true" pageId="9" pageNumber="286">et al.</emphasis>
(2014)
</bibRefCitation>
,
<bibRefCitation id="1B088E9AFF9BFFF56286FAFFE88CFA84" author="Plagge C. &amp; Thanh Son N. &amp; Ng P. L. K. &amp; Turkay M. &amp; Streit B. &amp; Klaus S." box="[692,922,1306,1332]" pageId="9" pageNumber="286" pagination="374 - 388" refId="ref16589" refString="Plagge C., Thanh Son N., Ng P. L. K., Turkay M., Streit B. &amp; Klaus S. 2016. Liocarcinus corrugatus (Pennant, 1777) (Crustacea: Brachyura: Portunidae): a cosmopolitan brachyuran species? Raffles Bulletin of Zoology 64: 374 - 388." type="journal article" year="2016">
Plagge
<emphasis id="4DED2F79FF9BFFF56338FAFEE853FA84" box="[778,837,1306,1332]" italics="true" pageId="9" pageNumber="286">et al.</emphasis>
(2016)
</bibRefCitation>
and
<bibRefCitation id="1B088E9AFF9BFFF563E0FAFFEF65FA84" author="Evans N." box="[978,1139,1306,1332]" pageId="9" pageNumber="286" pagination="4260" refId="ref14439" refString="Evans N. 2018. Molecular phylogenetics of swimming crabs (Portunoidea Rafinesque, 1815) supports a revised family-level classification and suggests a single derived origin of symbiotic taxa. PeerJ 6: e 4260. https: // doi. org / 10.7717 / peerj. 4260" type="journal article" year="2018">Evans (2018)</bibRefCitation>
, the following species should be included:
<taxonomicName id="B89988E8FF9BFFF5619DFAD8E99BFAE7" box="[431,653,1341,1367]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="henslowii">
<emphasis id="4DED2F79FF9BFFF5619DFAD8E99BFAE7" box="[431,653,1341,1367]" italics="true" pageId="9" pageNumber="286">Polybius henslowii</emphasis>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF562AFFADBE885FAE7" baseAuthorityName="Fabricius" baseAuthorityYear="1798" box="[669,915,1341,1367]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="holsatus">
<emphasis id="4DED2F79FF9BFFF562AFFADBE885FAE7" box="[669,915,1341,1367]" italics="true" pageId="9" pageNumber="286">Liocarcinus holsatus</emphasis>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF56391FADBEF5EFAE7" baseAuthorityName="Leach" baseAuthorityYear="1814" box="[931,1096,1342,1367]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="marmoreus">
<emphasis id="4DED2F79FF9BFFF56391FADBEF5EFAE7" box="[931,1096,1342,1367]" italics="true" pageId="9" pageNumber="286">L. marmoreus</emphasis>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF5646AFADBEFC1FAE7" box="[1112,1239,1341,1367]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="vernalis">
<emphasis id="4DED2F79FF9BFFF5646AFADBEFC1FAE7" box="[1112,1239,1341,1367]" italics="true" pageId="9" pageNumber="286">L. vernalis</emphasis>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF564D4FADBEE60FAE7" authority="García-Raso &amp; Moukrim &amp; Schubart &amp; Cuesta, 2024" authorityName="García-Raso &amp; Moukrim &amp; Schubart &amp; Cuesta" authorityYear="2024" box="[1254,1398,1341,1367]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="dioscurus" status="sp. nov.">
<emphasis id="4DED2F79FF9BFFF564D4FADBEE60FAE7" box="[1254,1398,1341,1367]" italics="true" pageId="9" pageNumber="286">P. dioscurus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="56DE9202FF9BFFF5608FFA84EA0DFACB" box="[189,283,1377,1403]" pageId="9" pageNumber="286" rank="species">sp. nov.</taxonomicNameLabel>
(which constitute a group of species morphologically and molecularly very closely related,
<figureCitation id="E7A2EFEEFF9BFFF5608FFA66EA3EFA2E" box="[189,296,1411,1438]" captionStart-0="Fig" captionStart-1="Fig" captionStartId-0="7.[189,232,1857,1883]" captionStartId-1="8.[189,232,1821,1847]" captionTargetBox-0="[348,1048,260,1786]" captionTargetBox-1="[320,1087,255,1734]" captionTargetId-0="graphics-40@7.[394,654,294,1724]" captionTargetId-1="graphics-32@8.[410,709,297,1664]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionText-0="Fig. 1. Neighbor-Joning (NJ) phylogenetic tree based on mitochondrial 16S rRNA sequences of species of Polybius Leach, 1820 and Liocarcinus Stimpson, 1871, using 2000 Bootstrap replicates. Number on nodes represent NJ Bootstrap values, only values&gt;70 are included. Carcinus aestuarii Nardo, 1847 and C. maenas (Linnaeus, 1758) are used as outgroup. GenBank accession codes are indicated for each species, except those with codes XX## which sequences are listed in Supp. file 1." captionText-1="Fig. 2. Maximum likelihood (ML) phylogenetic tree based on mitochondrial cytochrome c oxidase subunit I sequences of species of Polybius Leach, 1820 and Liocarcinus Stimpson, 1871, using 2000 Bootstrap replicates. Number on nodes represent ML Bootstrap values, only values&gt;70 are included. Carcinus aestuarii Nardo, 1847 and C. maenas (Linnaeus, 1758) are used as outgroup. GenBank accession codes are indicated for each species, except those with codes XX## which sequences are listed in Supp. file 1." figureDoi-0="http://doi.org/10.5281/zenodo.10978025" figureDoi-1="http://doi.org/10.5281/zenodo.10978029" httpUri-0="https://zenodo.org/record/10978025/files/figure.png" httpUri-1="https://zenodo.org/record/10978029/files/figure.png" pageId="9" pageNumber="286">Figs 12</figureCitation>
, this study),
<taxonomicName id="B89988E8FF9BFFF561F7FA61E89EFA2E" authority="(Zariquiey Alvarez, 1948)" baseAuthorityName="Zariquiey Alvarez" baseAuthorityYear="1948" box="[453,904,1411,1440]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="bolivari">
<emphasis id="4DED2F79FF9BFFF561F7FA61E952FA2D" box="[453,580,1411,1437]" italics="true" pageId="9" pageNumber="286">L. bolivari</emphasis>
(Zariquiey Álvarez, 1948)
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF563A4FA61EF3BFA2D" box="[918,1069,1411,1437]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="depurator">
<emphasis id="4DED2F79FF9BFFF563A4FA61EF3BFA2D" box="[918,1069,1411,1437]" italics="true" pageId="9" pageNumber="286">L. depurator</emphasis>
</taxonomicName>
and
<taxonomicName id="B89988E8FF9BFFF56459FA61EA13FA70" authority="(Gordon, 1968)" baseAuthorityName="Gordon" baseAuthorityYear="1968" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="zariquieyi">
<emphasis id="4DED2F79FF9BFFF56459FA61EE14FA2D" box="[1131,1282,1412,1437]" italics="true" pageId="9" pageNumber="286">L. zariquieyi</emphasis>
(
<bibRefCitation id="1B088E9AFF9BFFF56526FA66EBEAFA70" author="Gordon I." pageId="9" pageNumber="286" pagination="319 - 320" refId="ref14734" refString="Gordon I. 1968. Correction to Parisi's &quot; Portunus pusillus &quot; and &quot; Portunus parvulus n. sp. &quot; from the Mediterranean (Decapoda, Brachyura). Crustaceana 14 (3): 319 - 320. https: // doi. org / 10.1163 / 156854068 X 00935" type="journal article" year="1968">Gordon, 1968</bibRefCitation>
)
</taxonomicName>
. The species
<taxonomicName id="B89988E8FF9BFFF56195FA42E957FA71" baseAuthorityName="Risso" baseAuthorityYear="1827" box="[423,577,1447,1473]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="maculatus">
<emphasis id="4DED2F79FF9BFFF56195FA42E957FA71" box="[423,577,1447,1473]" italics="true" pageId="9" pageNumber="286">L. maculatus</emphasis>
</taxonomicName>
and
<taxonomicName id="B89988E8FF9BFFF5624FFA42E9EFFA71" baseAuthorityName="Leach" baseAuthorityYear="1816" box="[637,761,1447,1473]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="pusillus">
<emphasis id="4DED2F79FF9BFFF5624FFA42E9EFFA71" box="[637,761,1447,1473]" italics="true" pageId="9" pageNumber="286">L. pusillus</emphasis>
</taxonomicName>
must be confirmed by DNA genetic analysis. As it is further separated, we suggest that
<taxonomicName id="B89988E8FF9BFFF56260FA2EE9F2FA54" baseAuthorityName="Herbst" baseAuthorityYear="1794" box="[594,740,1483,1508]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="navigator">
<emphasis id="4DED2F79FF9BFFF56260FA2EE9F2FA54" box="[594,740,1483,1508]" italics="true" pageId="9" pageNumber="286">L. navigator</emphasis>
</taxonomicName>
should be transferred to a different genus as mentioned above. In addition, the species and genera
<taxonomicName id="B89988E8FF9BFFF562D7FA0BEF16F9B7" baseAuthorityName="Pennant" baseAuthorityYear="1777" box="[741,1024,1518,1543]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="corrugatus">
<emphasis id="4DED2F79FF9BFFF562D7FA0BEF16F9B7" box="[741,1024,1518,1543]" italics="true" pageId="9" pageNumber="286">Liocarcinus corrugatus</emphasis>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF56424FA0BEE1CF9B7" baseAuthorityName="Stimpson" baseAuthorityYear="1858" box="[1046,1290,1517,1543]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="strigilis">
<emphasis id="4DED2F79FF9BFFF56424FA0BEE1CF9B7" box="[1046,1290,1517,1543]" italics="true" pageId="9" pageNumber="286">Liocarcinus strigilis</emphasis>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF56512FA0BEA66F99A" authority="Holthuis, 1987" authorityName="Holthuis" authorityYear="1987" class="Malacostraca" family="Polybiidae" genus="Necora" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="genus">
<emphasis id="4DED2F79FF9BFFF56512FA0BEE60F9B7" box="[1312,1398,1518,1543]" italics="true" pageId="9" pageNumber="286">Necora</emphasis>
<bibRefCitation id="1B088E9AFF9BFFF5608FF9F5EA66F99A" author="Holthuis L. B." box="[189,368,1552,1578]" pageId="9" pageNumber="286" pagination="1 - 14" refId="ref14964" refString="Holthuis L. B. 1987. Necora, a new genus of European swimming crabs (Crustacea Decapoda, Portunidae) and its type species, Cancer puber L., 1767. Zoologische Mededelingen 61 (1): 1 - 14. Available from https: // repository. naturalis. nl / pub / 317926 [accessed 22 Mar. 2024]." type="journal article" year="1987">Holthuis, 1987</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="B89988E8FF9BFFF561B2F9F4E9FAF99A" authority="Prestandrea, 1833" authorityName="Prestandrea" authorityYear="1833" box="[384,748,1552,1578]" class="Malacostraca" family="Polybiidae" genus="Macropipus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="genus">
<emphasis id="4DED2F79FF9BFFF561B2F9F4E91BF99A" box="[384,525,1553,1578]" italics="true" pageId="9" pageNumber="286">Macropipus</emphasis>
<bibRefCitation id="1B088E9AFF9BFFF56224F9F5E9FAF99A" author="Prestandrea N." box="[534,748,1552,1578]" pageId="9" pageNumber="286" pagination="3 - 14" refId="ref16725" refString="Prestandrea N. 1833. Su di alcuni nuovi crustacei dei mari di Messina. Effemeridi Scientifiche e Letterarie per La Sicilia 6: 3 - 14." type="journal article" year="1833">Prestandrea, 1833</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="B89988E8FF9BFFF56318F9F5EF6BF99A" authority="Stimpson, 1871" authorityName="Stimpson" authorityYear="1871" box="[810,1149,1552,1578]" class="Malacostraca" family="Polybiidae" genus="Bathynectes" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="genus">
<emphasis id="4DED2F79FF9BFFF56318F9F5E8AEF99A" box="[810,952,1552,1578]" italics="true" pageId="9" pageNumber="286">Bathynectes</emphasis>
<bibRefCitation id="1B088E9AFF9BFFF563F0F9F5EF6BF99A" author="Stimpson W." box="[962,1149,1552,1578]" pageId="9" pageNumber="286" pagination="109 - 160" refId="ref17504" 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 2 (2): 109 - 160. https: // www. biodiversitylibrary. org / page / 6313618 # page / 125 / mode / 1 up" type="journal article" year="1871">Stimpson, 1871</bibRefCitation>
</taxonomicName>
are morphologically and genetically more different (see first references of this paragraph) and their position-statuses need to be analysed and justified in more detail (Schubart pers. comm. to other co-authors before his death).
</paragraph>
<paragraph id="7F26F36BFF9BFFF6608FF97DE9D0FDA9" blockId="9.[186,1400,1688,1996]" lastBlockId="10.[187,1400,265,537]" lastPageId="10" lastPageNumber="287" pageId="9" pageNumber="286">
Furthermore,
<bibRefCitation id="1B088E9AFF9BFFF5615AF97CE957F902" author="Ng P. K. &amp; Guinot D. &amp; Davie P. J." box="[360,577,1688,1715]" pageId="9" pageNumber="286" pagination="1 - 286" refId="ref16190" refString="Ng P. K., Guinot D. &amp; Davie P. J. 2008. Systema Brachyurorum: parte I. An annotated checklist of extant Brachyuran crabs of the world. The Raffles Bulletin of Zoology Supplement 17: 1 - 286." type="journal article" year="2008">
Ng
<emphasis id="4DED2F79FF9BFFF561AFF97CEAF4F902" box="[413,482,1688,1714]" italics="true" pageId="9" pageNumber="286">et al.</emphasis>
(2008)
</bibRefCitation>
and WoRMS
<bibRefCitation id="1B088E9AFF9BFFF56337F97DEF35F902" author="Editorial Board" box="[773,1059,1688,1714]" pageId="9" pageNumber="286" refId="ref17767" refString="WoRMS Editorial Board 2023. World Register of Marine Species." type="book" year="2023">Editorial Board (2023)</bibRefCitation>
also included
<taxonomicName id="B89988E8FF9BFFF564D9F97CE9B0F965" authority="(A. Milne-Edwards, 1861)" baseAuthorityName="A. Milne-Edwards" baseAuthorityYear="1861" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="subcorrugatus">
<emphasis id="4DED2F79FF9BFFF564D9F97CEA70F965" italics="true" pageId="9" pageNumber="286">Liocarcinus subcorrugatus</emphasis>
(A.
<bibRefCitation id="1B088E9AFF9BFFF561AEF95EE988F965" author="Milne-Edwards A." box="[412,670,1723,1749]" pageId="9" pageNumber="286" pagination="309 - 428" refId="ref15974" refString="Milne-Edwards A. 1861. Etudes zoologiques sur les Crustaces recents de la famille des Portuniens. Archives du Museum d'Histoire naturelle 10: 309 - 428. Available from https: // www. marinespecies. org / aphia. php? p = sourceget &amp; id = 353565 [accessed 22 Mar. 2024]." type="journal article" year="1861">Milne-Edwards, 1861</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="B89988E8FF9BFFF562D2F959EF9FF965" authority="(Risso, 1816)" baseAuthorityName="Risso" baseAuthorityYear="1816" box="[736,1161,1723,1749]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="rondeletii">
<emphasis id="4DED2F79FF9BFFF562D2F959E8F2F965" box="[736,996,1723,1749]" italics="true" pageId="9" pageNumber="286">Liocarcinus rondeletii</emphasis>
(
<bibRefCitation id="1B088E9AFF9BFFF563C6F95EEF97F965" author="Risso A." box="[1012,1153,1723,1749]" pageId="9" pageNumber="286" refId="ref16894" refString="Risso A. 1816. Histoire naturelle des Crustaces des Environs de Nice. Librairie Grecque-Latine- Allemande, Paris. https: // doi. org / 10.5962 / bhl. title. 8992" type="book" year="1816">Risso, 1816</bibRefCitation>
)
</taxonomicName>
within
<taxonomicName id="B89988E8FF9BFFF564D6F959EE79F965" authorityName="Stimpson" authorityYear="1871" box="[1252,1391,1724,1749]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="genus">
<emphasis id="4DED2F79FF9BFFF564D6F959EE79F965" box="[1252,1391,1724,1749]" italics="true" pageId="9" pageNumber="286">Liocarcinus</emphasis>
</taxonomicName>
, for which there is no genetic information. The former is apparently endemic of the Red Sea (
<bibRefCitation id="1B088E9AFF9BFFF564C0F93BEA2DF8AC" author="Spiridonov V. &amp; Turkay M. &amp; Brosing A. &amp; Al-Aidaroos A." pageId="9" pageNumber="286" pagination="2013 - 3947" refId="ref17319" refString="Spiridonov V., Turkay M., Brosing A. &amp; Al-Aidaroos A. 2013. Portunoid crabs as indicators of the Red Sea fauna history and endemism. Geophysical Research Abstracts 15, EGU 2013 - 3947." type="journal article" year="2013">
Spiridonov
<emphasis id="4DED2F79FF9BFFF5608EF8E7EBE0F8AC" box="[188,246,1794,1820]" italics="true" pageId="9" pageNumber="286">et al.</emphasis>
2013
</bibRefCitation>
), but its status is doubtful (
<bibRefCitation id="1B088E9AFF9BFFF5625CF8E7E89DF8AC" author="D'Udekem d'Acoz C." box="[622,907,1794,1820]" pageId="9" pageNumber="286" pagination="40" refId="ref14220" refString="D'Udekem d'Acoz C. 1999. Inventaire et distribution des crustaces decapodes de l'Atlantique nordoriental, de la Mediterranee et des eaux continentales adjacentes au nord de 25 ° N. Patrimoines naturels (M. N. H. N. / S. P. N.) 40." type="journal article" year="1999">dUdekem dAcoz 1999</bibRefCitation>
;
<bibRefCitation id="1B088E9AFF9BFFF563A4F8E7EF03F8AC" author="Noel P." box="[918,1045,1794,1820]" pageId="9" pageNumber="286" pagination="1 - 13" refId="ref16279" refString="Noel P. 2016. L'etrille frippee Liocarcinus corrugatus (Pennant, 1777). In: Museum national d'histoire naturelle (ed.). Inventaire national du Patrimoine naturel: 1 - 13." type="book chapter" year="2016">Noël 2016</bibRefCitation>
). The latter, which is similar to
<taxonomicName id="B89988E8FF9BFFF56089F8C3EA5CF88F" baseAuthorityName="Herbst" baseAuthorityYear="1794" box="[187,330,1830,1855]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="navigator">
<emphasis id="4DED2F79FF9BFFF56089F8C3EA5CF88F" box="[187,330,1830,1855]" italics="true" pageId="9" pageNumber="286">L. navigator</emphasis>
</taxonomicName>
, is separated by
<bibRefCitation id="1B088E9AFF9BFFF56237F8C0E9D5F88F" author="Risso A." box="[517,707,1829,1855]" pageId="9" pageNumber="286" refId="ref16894" refString="Risso A. 1816. Histoire naturelle des Crustaces des Environs de Nice. Librairie Grecque-Latine- Allemande, Paris. https: // doi. org / 10.5962 / bhl. title. 8992" type="book" year="1816">Risso (1816: 26)</bibRefCitation>
from its congeners by the presence of only four anterolateral teeth on the margins of the carapace “bords latéraux à quatre dents” (also in Risso 18261827: 2), while all the species in this genus have five (e.g.,
<bibRefCitation id="1B088E9AFF9BFFF562F5F88EEF25F835" author="Manning R. B. &amp; Holthuis L. B." box="[711,1075,1899,1925]" pageId="9" pageNumber="286" pagination="1 - 379" refId="ref15771" refString="Manning R. B. &amp; Holthuis L. B. 1981. West African Brachyuran crabs (Crustacea: Decapoda). Smithsonian Contributions to Zoology 306: 1 - 379. https: // doi. org / 10.5479 / si. 00810282.306" type="journal article" year="1981">Manning &amp; Holthuis 1981: 83</bibRefCitation>
, diagnosis here). However, in the related
<taxonomicName id="B89988E8FF9BFFF56157F86AEAE3F818" baseAuthorityName="Herbst" baseAuthorityYear="1794" box="[357,501,1935,1960]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="286" phylum="Arthropoda" rank="species" species="navigator">
<emphasis id="4DED2F79FF9BFFF56157F86AEAE3F818" box="[357,501,1935,1960]" italics="true" pageId="9" pageNumber="286">P. navigator</emphasis>
</taxonomicName>
the fourth is smallest, sometimes almost obsolete (
<bibRefCitation id="1B088E9AFF9BFFF5646BF86BEFCAF819" author="Ingle R. W." box="[1113,1244,1934,1961]" pageId="9" pageNumber="286" refId="ref15144" refString="Ingle R. W. 1980. British Crabs. British Museum (Natural History), Oxford University Press." type="book" year="1980">Ingle 1980</bibRefCitation>
) and Rissos descriptions are known to be sometimes inaccurate (
<bibRefCitation id="1B088E9AFF9BFFF56319F857E8CFF87C" author="Holthuis L. B." box="[811,985,1970,1996]" pageId="9" pageNumber="286" pagination="37 - 88" refId="ref14929" refString="Holthuis L. B. 1977. The Mediterranean decapod and stomatopod Crustacea in A. Risso's published works and manuscripts. Annales du Museum d'Histoire naturelle de Nice 5: 37 - 88." type="journal article" year="1977">Holthuis 1977</bibRefCitation>
).
<bibRefCitation id="1B088E9AFF9BFFF563DCF857EF8DF87C" author="Palmer R." box="[1006,1179,1970,1996]" pageId="9" pageNumber="286" pagination="877 - 908" refId="ref16457" refString="Palmer R. 1927. A revision of the genus &quot; Portunus &quot; (A. Milne Edwards, Bell, etc). Journal of the Marine Biological Association of the United Kingdom 14: 877 - 908. https: // doi. org / 10.1017 / S 0025315400051134" type="journal article" year="1927">Palmer (1927)</bibRefCitation>
, Miranda y
<bibRefCitation id="1B088E9AFF9BFFF66518F857EA1AFE93" author="Rivera A." lastPageId="10" lastPageNumber="287" pageId="9" pageNumber="286" pagination="1 - 72" refId="ref16032" refString="Miranda y Rivera A. 1933. Ensayo de un catalogo de los Crustaceos Decapodos marinos de Espana y Marruecos espanol. Notas y Resumenes, Boletin Espanol de Oceanografia (ser. 2) 67: 1 - 72." type="journal article" year="1933">Rivera (1933)</bibRefCitation>
treated it as a synonym of
<taxonomicName id="B89988E8FF98FFF66266FEEFE858FE93" baseAuthorityName="Leach" baseAuthorityYear="1814" box="[596,846,266,291]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="287" phylum="Arthropoda" rank="species" species="arcuatus">
<emphasis id="4DED2F79FF98FFF66266FEEFE858FE93" box="[596,846,266,291]" italics="true" pageId="10" pageNumber="287">Liocarcinus arcuatus</emphasis>
</taxonomicName>
(=
<taxonomicName id="B89988E8FF98FFF6634BFEEFEF1DFE93" baseAuthorityName="Herbst" baseAuthorityYear="1794" box="[889,1035,266,291]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="287" phylum="Arthropoda" rank="species" species="navigator">
<emphasis id="4DED2F79FF98FFF6634BFEEFEF1DFE93" box="[889,1035,266,291]" italics="true" pageId="10" pageNumber="287">L. navigator</emphasis>
</taxonomicName>
). However,
<bibRefCitation id="1B088E9AFF98FFF664ADFEECEA5DFEF6" author="Zariquiey Alvarez R." pageId="10" pageNumber="287" pagination="1 - 510" refId="ref17806" refString="Zariquiey Alvarez R. 1968 Crustaceos decapodos ibericos. Investigacion Pesquera 32: 1 - 510. Available from http: // scimar. icm. csic. es / scimar / index. php / secId / 8 / IdNum / 166 / [accessed 22 Mar. 2024]." type="journal article" year="1968">Zariquiey Álvarez (1968: 369)</bibRefCitation>
, due to the morphological differences he observed between the Atlantic and Mediterranean populations, considered that the Mediterranean specimens belonged to a different subspecies (
<taxonomicName id="B89988E8FF98FFF664C6FEB5EA3AFE3C" baseAuthorityName="Risso" baseAuthorityYear="1816" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="287" phylum="Arthropoda" rank="subSpecies" species="arcuatus" subSpecies="rondeletii">
<emphasis id="4DED2F79FF98FFF664C6FEB5EA3AFE3C" italics="true" pageId="10" pageNumber="287">L. arcuatus rondeletii</emphasis>
</taxonomicName>
).
<bibRefCitation id="1B088E9AFF98FFF66177FE96EAEBFE3D" author="Ng P. K. &amp; Guinot D. &amp; Davie P. J." box="[325,509,370,397]" pageId="10" pageNumber="287" pagination="1 - 286" refId="ref16190" refString="Ng P. K., Guinot D. &amp; Davie P. J. 2008. Systema Brachyurorum: parte I. An annotated checklist of extant Brachyuran crabs of the world. The Raffles Bulletin of Zoology Supplement 17: 1 - 286." type="journal article" year="2008">
Ng
<emphasis id="4DED2F79FF98FFF6615CFE96EABEFE3C" box="[366,424,370,396]" italics="true" pageId="10" pageNumber="287">et al.</emphasis>
(2008)
</bibRefCitation>
and WoRMS
<bibRefCitation id="1B088E9AFF98FFF66292FE97E8BFFE3D" author="Editorial Board" box="[672,937,370,397]" pageId="10" pageNumber="287" refId="ref17767" refString="WoRMS Editorial Board 2023. World Register of Marine Species." type="book" year="2023">Editorial Board (2023)</bibRefCitation>
accept
<taxonomicName id="B89988E8FF98FFF66432FE96EE14FE3C" baseAuthorityName="Risso" baseAuthorityYear="1816" box="[1024,1282,370,396]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="287" phylum="Arthropoda" rank="species" species="rondeletii">
<emphasis id="4DED2F79FF98FFF66432FE96EE14FE3C" box="[1024,1282,370,396]" italics="true" pageId="10" pageNumber="287">Liocarcinus rondeletii</emphasis>
</taxonomicName>
as a valid species, but we are not aware of recent genetic or morphological studies to support this new status. The validity of this taxon cannot be accepted without in-depth studies (as in for
<taxonomicName id="B89988E8FF98FFF66474FE5FEE19FE63" baseAuthorityName="A. Milne-Edwards" baseAuthorityYear="1861" box="[1094,1295,441,467]" class="Malacostraca" family="Polybiidae" genus="Liocarcinus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="287" phylum="Arthropoda" rank="species" species="subcorrugatus">
<emphasis id="4DED2F79FF98FFF66474FE5FEE19FE63" box="[1094,1295,441,467]" italics="true" pageId="10" pageNumber="287">L. subcorrugatus</emphasis>
</taxonomicName>
), as it is known that within some species of this genus, e.g.,
<taxonomicName id="B89988E8FF98FFF6630AFE38E8A0FE46" box="[824,950,476,502]" class="Malacostraca" family="Polybiidae" genus="Polybius" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="287" phylum="Arthropoda" rank="species" species="vernalis">
<emphasis id="4DED2F79FF98FFF6630AFE38E8A0FE46" box="[824,950,476,502]" italics="true" pageId="10" pageNumber="287">P. vernalis</emphasis>
</taxonomicName>
, there is considerable morphological variability between populations (see below).
</paragraph>
</subSubSection>
</treatment>
</document>