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Pachygrapsus

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Description

Pachygrapsus is a genus of small shore crabs. Recent genetic data suggest this genus to be possibly polyphyletic.

From Wikipedia article at https://en.wikipedia.org/wiki/Pachygrapsus, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	2225808	https://www.gbif.org/species/2225808
PaleoBioDB ID (PBDB)	97778	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=97778

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Malacostraca : Decapoda : Grapsidae : Pachygrapsus

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
-	Pancrustacea
subphylum	Crustacea	Brünnich 1772
class	Malacostraca	Latreille 1802
superorder	Eucarida	Calman 1904
order	Decapoda	Latreille 1802
-	Meiura	Saint Laurent 1980
infraorder	Brachyura	Latreille 1802
-	Eubrachyura	de Saint Laurent 1980
-	Thoracotremata	Guinot 1977
superfamily	Grapsoidea	MacLeay 1838
family	Grapsidae	MacLeay 1838
genus	Pachygrapsus	Randall 1839

Scientific Name

Pachygrapsus Randall, 1839

Name Published In

Randall, J. W. 1839. Catalogue of the Crustacea brought by Thomas Nuttall and J. K. Townsend, from the west coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localiti. Journal of the Academy of Natural Sciences of Philadelphia 8: 106-147.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pachygrapsus	genus	belongs to Brachyura	implied	Kiessling, 2003
Pachygrapsus	genus	belongs to Grapsidae	stated without evidence	Schweitzer et al., 2010

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

1 (50%)

First Recorded Appearance

13.8 - 11.6 Ma
Miocene

Motility

actively mobile (based on Malacostraca)

Vision

well-developed (based on Malacostraca)

Diet

carnivore (based on Decapoda)

Taphonomy

chitin (based on Malacostraca)

Primary Reference (PBDB)

W. Kiessling. 2003. Personal data.

Common Name(s)

イワガニ

Wikipedia

https://en.wikipedia.org/wiki/Pachygrapsus

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Pachygrapsus corrugatus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus crassipes species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus fakaravensis species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus gracilis species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus hungaricus ✝ species	accepted (GBIF) listed (PBDB)		2	13.8 Ma Miocene	13.8 Ma Miocene
Pachygrapsus laevimanus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus loveridgei species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus marmoratus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus maurus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus minutus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus planifrions species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus planifrons species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus plicatus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus propinquus species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus socius species	accepted (GBIF)	No associated record in PBDB
Pachygrapsus transversus species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Goniograpsus Dana, 1851	GBIF	genus	Animalia : Arthropoda : Malacostraca : Decapoda : Grapsidae : *Goniograpsus*
Pachigrapsus Nardo, 1869	GBIF	genus	Animalia : Arthropoda : Malacostraca : Decapoda : Grapsidae : *Pachigrapsus*

Synonymy List

Year	Name and Author
1839	Pachygrapsus Randall
2003	Pachygrapsus Kiessling
2010	Pachygrapsus Schweitzer et al.

References

Kiessling W. (2003) Personal data

Schweitzer C. E., Feldmann R. M., et al (2010) Systematic list of fossil decapod crustacean species, Crustaceana Monographs 10, 1-222

De Grave, S., Pentcheff, N.D., Ahyong, S.T., Chan, T.-Y., Crandall, K.A., Dworschak, P.C., Felder, D.L., Feldmann, R.M., Fransen, C.H.J.M., Goulding, L.Y.D., Lemaitre, R., Low, M.E.Y., Martin, J.W., Ng, P.K.L., Schweitzer, C.E., Tan, S.H., Tshudy, D. & Wetzer, R. (2009). A classification of living and fossil genera of decapod crustaceans. Raffles Bulletin of Zoology. supplement 21: 1-109. - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

SN2000/Brusca & Brusca, 1990 - via The Interim Register of Marine and Nonmarine Genera

WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera

International Commission on Zoological Nomenclature. Opinion 712 Forty-seven genera of Decapod Crustacea: placed on the Official List.Bulletin of Zoological Nomenclature 21(5), 336-351 (1964) - via Official Lists and Indexes of Names in Zoology

J. Acad. Nat. Sci. Philad., 8 - via The Interim Register of Marine and Nonmarine Genera

Ng et al., 2008 - via The Interim Register of Marine and Nonmarine Genera

Hartnoll, R.G. (1975). The Grapsidae and Ocypodidae (Decapoda: Brachyura) of Tanzania. J. Zool. London 177, 305-328 - via World Register of Introduced Marine Species (WRiMS)

Türkay, M. (2001). Decapoda, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 284-292 - via World Register of Introduced Marine Species (WRiMS)

d'Udekem d'Acoz, C. (1999). Inventory and distribution of the decapod crustaceans from the northeastern Atlantic, the Mediterranean and the adjacent continental waters north of 25°N. Collection Patrimoines Naturels, 40. Muséum national d'Histoire naturelle. Paris. ISBN 2-86515-114-10. X, 383 pp. - via World Register of Introduced Marine Species (WRiMS)

Hartnoll, R.G. (1975). The Grapsidae and Ocypodidae (Decapoda: Brachyura) of Tanzania. J. Zool. London 177, 305-328 - via World Register of Marine Species

Randall, J.W. (1840). Catalogue of the Crustacea brought by Thomas Nutall and J.K. Townsend, from the West Coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localities, previously existing in the collection of the Academy. Journal of the Academy of Natural Sciences at Philadelphia. 8: 106-147, Plates 3-7. - via World Register of Introduced Marine Species (WRiMS)

Schubart, Christoph D., José A. Cuesta, Rudolf Diesel, and Darryl L. Felder, 2000: Molecular Phylogeny, Taxonomy, and Evolution of Nonmarine Lineages within the American Grapsoid Crabs (Crustacea: Brachyura). Molecular Phylogenetics and Evolution, vol. 15, no. 2. 179-190. - via Integrated Taxonomic Information System (ITIS)

Schubart, Christoph D., José A. Cuesta, and Darryl L. Felder, 2002: Glyptograpsidae, a new brachyuran family from Central America: larval and adult morphology, and a molecular phylogeny of the Grapsoidea. Journal of Crustacean Biology, vol. 22, no. 1. 28-44. - via Integrated Taxonomic Information System (ITIS)

Sternberg, R. von, and N. Cumberlidge, 1998: Taxic relationships within the Grapsidae MacLeay, 1838 (Crustacea: Decapoda: Eubrachyura). Journal of Comparative Biology, vol. 3, no. 2. 115-136. - via Integrated Taxonomic Information System (ITIS)

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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