Tropical Clubhook Squid
Encyclopedia
The Tropical Clubhook Squid (Onykia carriboea) is a squid
in the family Onychoteuthidae, the type species
of the genus
Onykia
. It is known with certainty only from immature specimens. The type locality of O. carriboea is the Gulf of Mexico
. The Rugose Hooked Squid
(Onykia robsoni) has been suggested as a junior synonym, owing to similarities between the species.
Squid
Squid are cephalopods of the order Teuthida, which comprises around 300 species. Like all other cephalopods, squid have a distinct head, bilateral symmetry, a mantle, and arms. Squid, like cuttlefish, have eight arms arranged in pairs and two, usually longer, tentacles...
in the family Onychoteuthidae, the type species
Type species
In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...
of the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
Onykia
Onykia
Onykia is a genus of squids in the family Onychoteuthidae. Due to similarities between the genera, several recent authors consider the genus Moroteuthis a junior synonym of Onykia. The type species is the Tropical Clubhook Squid ....
. It is known with certainty only from immature specimens. The type locality of O. carriboea is the Gulf of Mexico
Gulf of Mexico
The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...
. The Rugose Hooked Squid
Rugose Hooked Squid
The Rugose Hooked Squid is a species of squid in the family Onychoteuthidae. It occurs in the Antarctic Ocean, at an estimated depth of 250–550 meters. The mantle of this species grows to a length of 75 cm...
(Onykia robsoni) has been suggested as a junior synonym, owing to similarities between the species.