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Retroplumidae

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Retroplumidae Temporal range: Maastrichtian–Recent PreꞒ Ꞓ O S D C P T J K Pg N

Fossil of Retropluma craverii
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Subsection:	Heterotremata
Superfamily:	Retroplumoidea Gill, 1894
Family:	Retroplumidae Gill, 1894 ^[1]
Synonyms
Ptenoplacidae Alcock, 1899

Retroplumidae is a familyofheterotrematan crabs, placed in their own (monotypic) superfamily, Retroplumoidea.

Classification[edit]

Eight genera are recognised, of which all but two are only known from fossils:^[2]

Ten species in two genera survive in the deep sea of the Indo-Pacific region:^[3]

Fossil specimens ascribed to the Retroplumidae are known from the Late Cretaceous onwards, with Archaeopus antennatusinConiacian–Maastrichtian rocks in California and Archaeopus ezoensis from Turonian–Maastrichtian rocks from Japan.^[4]

^ Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109.

^ Peter K. L. Ng; Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286.

^ Carrie E. Schweitzer & Rodney M. Feldmann (2001). "New Cretaceous and Tertiary decapod crustaceans from western North America" (PDF). Bulletin of the Mizunami Fossil Museum. 28: 173–210. Archived from the original (PDF) on 2012-03-05.