''Cassiavellia'' is an extinct
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of saltwater clams,
marine bivalve molluscs in the subclass
Pteriomorphia. This genus existed in what is now
Texas, during the upper
Permian period.
The type species is ''Cassiavellia galtarae'', and the genus also contains the species ''C. nadkevnae''.
References
Permian bivalves
Fossil taxa described in 2010
Bakevelliidae
Prehistoric bivalve genera
{{paleo-bivalve-stub