Pseudozioidea is a
superfamily of
crabs, formerly treated in the
Eriphioidea,
Carpilioidea,
Xanthoidea
Xanthoidea is a superfamily of crabs, comprising the three families Xanthidae, Panopeidae and Pseudorhombilidae. Formerly, a number of other families were included in Xanthoidea, but many of these have since been removed to other superfamilies. ...
,
Pilumnoidea and
Goneplacoidea.
A number of
fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s from the
Eocene
The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...
onwards are known from the family Pseudoziidae.
Eleven genera are recognised in three families:
*
Christmaplacidae Naruse & Ng, 2014
**''
Christmaplax
''Christmaplax mirabilis'' is a species of crab native to Christmas Island
Christmas Island, officially the Territory of Christmas Island, is an Australian external territory comprising the island of the same name. It is located in the ...
''
Naruse & Ng, 2014
**''
Harryplax''
Mendoza & Ng, 2017
*
Pilumnoididae
Pilumnoididae is a family of crab
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely ...
Guinot & Macpherson, 1987
**''
Pilumnoides
''Pilumnoides'' is a genus of crabs in the family Pilumnoididae. The genus was erected by Hippolyte Lucas in 1844. It contains the following species:
*'' Pilumnoides coelhoi'' Guinot & Macpherson, 1987 – Abrolhos Archipelago
*'' Pilumnoides has ...
''
Lucas, 1844
**''
Setozius''
Ng & Ahyong, 2013
*
Planopilumnidae
Planopilumnidae is a family of crustaceans belonging to superfamily Pseudozioidea in the order Decapoda
The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar group ...
Serène, 1984
**''
Haemocinus''
Ng, 2003
**''
Planopilumnus''
Balss, 1933
**''
Platychelonion''
Crosnier & Guinot, 1969
*
Pseudoziidae
Pseudoziidae is a family of crustaceans belonging to superfamily Pseudozioidea in the order Decapoda
The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, ...
Alcock, 1898
**''
Archaeozius'' †
Schweitzer, 2003
**''
Euryozius''
Miers, 1886
**''
Flindersoplax''
Davie, 1989
**''
Priabonocarcinus'' †
Müller & Collins, 1991
**''
Pseudozius''
Dana, 1851
**''
Santeexanthus'' †
Blow & Manning, 1996
**''
Tongapapaka'' †
Feldmann, Schweitzer & McLaughlin, 2006
References
Crabs
Extant Eocene first appearances
Decapod families
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