Coeloma is an extinct genus of crabs 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 to the Miocene. ... Found on http://en.wikipedia.org/wiki/Coeloma
Coeloma is an extinct genus of crabs 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 to the Miocene. ...