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Romaleon

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Description

Romaleon is a genus of marine crabs formerly considered in the genus Cancer.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3254289	https://www.gbif.org/species/3254289
PaleoBioDB ID (PBDB)	68988	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=68988

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Malacostraca : Decapoda : Cancridae : Romaleon

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
-	Heterotremata	Guinot 1977
superfamily	Cancroidea	Latreille 1802
family	Cancridae	Latreille 1802
subfamily	Cancrinae	Latreille 1802
genus	Romaleon	Gistel 1848

Scientific Name

Romaleon Gistel, 1848

Name Published In

Nat. Thierr., xi.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Romaleon	subgenus	belongs to Cancer	stated without evidence	Berglund and Goedert, 1992
Romaleon	genus	belongs to Cancrinae	stated without evidence	Schweitzer and Feldmann, 2000
Romaleon	genus	belongs to Cancridae	stated without evidence	Casadio et al., 2005
Romaleon	genus	belongs to Cancrinae	stated without evidence	Schweitzer et al., 2010

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

5 (33%)

First Recorded Appearance

23.0 - 16.0 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)

S. Casadio, R. M. Feldmann, and A. Parras, C. E. Schweitzer. 2005. Miocene fossil Decapoda (Crustacea: Brachyura) from Patagonia, Argentina, and their paleoecological setting. Annals of Carnegie Museum 74(3):151-188

Wikipedia

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

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Cancer (Romaleon) sanbonsugii ✝ species	listed (PBDB)		13	23.0 Ma Miocene	16.0 Ma Miocene
Cancer (Romaleon) wahkiakumensis ✝ species	listed (PBDB)		1	23.0 Ma Miocene	23.0 Ma Miocene
Romaleon antennarium species	accepted (GBIF) listed (PBDB)				0 Ma Extant
Romaleon branneri ✝ species	accepted (GBIF) listed (PBDB)		3	2.59 Ma Pleistocene	2.59 Ma Pleistocene
Romaleon dereki ✝ species	accepted (GBIF) listed (PBDB)
Romaleon gibbosulum species	accepted (GBIF) listed (PBDB)				0 Ma Extant
Romaleon gibbosulus ✝ species	listed (PBDB)
Romaleon jordani species	accepted (GBIF) listed (PBDB)		5	2.59 Ma Pleistocene	0 Ma Extant
Romaleon luzonense species	accepted (GBIF)	No associated record in PBDB
Romaleon nadaense species	accepted (GBIF)	No associated record in PBDB
Romaleon nakagawaensis ✝ species	accepted (GBIF) listed (PBDB)
Romaleon parspinosus ✝ species	accepted (GBIF) listed (PBDB)		3	11.6 Ma Miocene	11.6 Ma Miocene
Romaleon polyodon species	accepted (GBIF) listed (PBDB)				0 Ma Extant
Romaleon sakamotoi ✝ species	accepted (GBIF) listed (PBDB)
Romaleon sanbonsugii ✝ species	accepted (GBIF) listed (PBDB)		1	23.0 Ma Miocene	23.0 Ma Miocene
Romaleon setosum species	accepted (GBIF)	No associated record in PBDB
Romaleon urbanus ✝ species	accepted (GBIF) listed (PBDB)		3	5.33 Ma Miocene	5.33 Ma Miocene

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Trichocera De Haan, 1833	GBIF	genus	Animalia : Arthropoda : Malacostraca : Decapoda : Cancridae : *Trichocera*
Trichocarcinus Miers, 1879	GBIF	genus	Animalia : Arthropoda : Malacostraca : Decapoda : Cancridae : *Trichocarcinus*

Synonymy List

Year	Name and Author
1848	Romaleon Gistl
1992	Cancer (Romaleon) Berglund and Goedert p. 5
1993	Cancer (Romaleon) Karasawa p. 50
2000	Romaleon Schweitzer and Feldmann p. 226
2002	Romaleon Schweitzer and Feldmann p. 961
2005	Romaleon Casadio et al.
2010	Romaleon Schweitzer et al.
2017	Romaleon Luque et al. p. 43

References

Casadio S., Feldmann R. M., et al (2005) Miocene fossil Decapoda (Crustacea: Brachyura) from Patagonia, Argentina, and their paleoecological setting, Annals of Carnegie Museum 74 3, 151-188

Berglund R. E., Goedert J. L. (1992) A new species of Cancer (Decapoda: Brachyura) from the Miocene Astoria Formation in Washington, Burke Museum Contributions in Anthropology and Natural History 9, 1-11

Karasawa H. (1993) Cenozoic Decapod Crustacea from Southwest Japan, Bulletin of the Mizunami Fossil Museum 20, 1-92

Schweitzer C. E., Feldmann R. M. (2000) Re-evaluation of the Cancridae Latreille, 1902 (Decapoda: Brachyura) including three new genera and three new species, Contributions to Zoology 69 4, 223-250

Schweitzer C. E., Feldmann R. M. (2002) New Eocene decapods (Thalassinidea and Brachyura) from Southern California, Journal of Crustacean Biology 22, 938-967

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

Luque J., Schweitzer C. E., et al (2017) Checklist of fossil decapod crustaceans from tropical America. Part I: Anomura and Brachyura, Nauplius 25, e2017025 doi:10.1590/2358-2936e2017025

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 (authority adjusted) - 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

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

as per family - via The Interim Register of Marine and Nonmarine Genera

Nat. Thierr., xi. - via The Interim Register of Marine and Nonmarine Genera

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

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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