The Cycloteuthidae are a
family in the order
Oegopsida
Oegopsida is one of the two orders of squid in the superorder Decapodiformes, in the class Cephalopoda. Together with the Myopsina, it was formerly considered to be a suborder of the order Teuthida, in which case it was known as Oegopsina. This ...
, comprising two
genera
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 nomenclat ...
. While physically dissimilar, molecular evidence supports the relatedness of the genera. The family is found primarily in
mesopelagic tropical to
subtropical
The subtropical zones or subtropics are geographical zone, geographical and Köppen climate classification, climate zones to the Northern Hemisphere, north and Southern Hemisphere, south of the tropics. Geographically part of the Geographical z ...
waters. Cycloteuthidae are characterised by a triangular
funnel locking apparatus.
Species
*Genus ''
Cycloteuthis''
**''
Cycloteuthis akimushkini'' *
**''
Cycloteuthis sirventi'' *
*Genus ''
Discoteuthis''
**''
Discoteuthis discus'' *
**''
Discoteuthis laciniosa''
**
''Discoteuthis'' sp. A *
**
''Discoteuthis'' sp. B
The entries listed above with an asterisk (*) are questionable and need further study to determine if they are valid or synonyms.
References
External links
Tree of Life web project: Cycloteuthidae
Squid
Cephalopod families
Taxa named by Adolf Naef
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