''Mursiopsis'' is an extinct
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of box
crabs belonging to the family
Calappidae
Calappidae is a family of crabs containing 16 genera, of which 7 are only known as fossils:
*''Acanthocarpus'' Stimpson, 1871
*'' Calappa'' Weber, 1795
*† '' Calappella'' Rathbun, 1919
*† '' Calappilia'' A. Milne-Edwards, 1873
*'' Calappula ...
. The type species of the genus is ''Mursiopsis pustulosus'', Ristori 1889.
[Fossilworks]
/ref>GBIF
/ref>
Fossils of crabs within this genus can be found in sediment of Oligocene (33.9 to 23.03 million years ago).[Sepkoski, Jac]
Sepkoski's Online Genus Database
/ref>
References
Calappoidea
{{Crab-stub