''Cycloteuthis'' is a genus of

squid True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting ...

in the family

Cycloteuthidae The Cycloteuthidae are a family in the order Oegopsida, comprising two genera. While physically dissimilar, molecular evidence supports the relatedness of the genera. The family is found primarily in mesopelagic tropical to subtropical Th ...

. It is distinguished from the genus '' Discoteuthis'' by the presence of a tail on the mantle. The species '' C. akimushkini'' is currently considered a junior synonym of '' C. sirventi'', however this is inconclusive and the

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific speciali ...

has ''C. akimushkini'' as a valid species. The genus contains bioluminescent species.

References

External links

Tree of Life web project: Cycloteuthis
Squid Cephalopod genera Bioluminescent molluscs {{squid-stub