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''Coeloma'' is an extinct genus 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 under the thorax. They live in all the ...
s belonging to the family Mathildellidae. The genus includes 19 species, distributed among several subgenera, and is in need of revision. The fossil record of the genus extends from the
Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
to the
Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
.


Species

* '' Coeloma balticum'' * '' Coeloma bicarinatum'' * '' Coeloma birsteini'' * '' Coeloma credneri'' * '' Coeloma dentatum'' * '' Coeloma egerense'' * '' Coeloma glabra'' * '' Coeloma granulosum'' * '' Coeloma incarinatum'' * '' Coeloma isseli'' * '' Coeloma latifrons'' * '' Coeloma macoveii'' * '' Coeloma macrodactylus'' * '' Coeloma martinezensis'' * '' Coeloma rupeliense'' * '' Coeloma sabatium'' * '' Coeloma taunicum'' * '' Coeloma varelata'' * '' Coeloma vigil''


References


Paleobiology Database
Goneplacoidea Eocene genus first appearances Miocene genus extinctions {{crab-stub