| Mastigoteuthis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Oegopsida |
| Family: | Mastigoteuthidae |
| Genus: | Mastigoteuthis Verrill, 1881 [1] |
| Type species | |
| Mastigoteuthis agassizii Verrill, 1881 | |
| Species | |
See text. | |
| Synonyms [1] | |
| |
Mastigoteuthis is a genus of whip-lash squid containing at least seven valid species. Some teuthologists consider Idioteuthis synonymous with this taxon.
The genus contains bioluminescent species. [2]
Magnapinna talismani was previously placed in this genus, but is now considered a species of bigfin squid.
The taxa listed above with an asterisk (*) are taxon inquirendum and need further study to determine if they are a valid taxon or a synonym.
Brachioteuthis is a genus of squid comprising five species.
Chtenopteryx is a genus of small, muscular, midwater squid in the monotypic family Chtenopterygidae. Four species are presently recognized in the genus, but more are believed to exist.
Histioteuthis is a genus of squid and the only member of the Histioteuthidae family. It goes by the common name cock-eyed squid, because in all species the right eye is normal-sized, round, blue and sunken; whereas the left eye is at least twice the diameter of the right eye, tubular, yellow-green, faces upward, and bulges out of the head.
The Mastigoteuthidae, also known as whip-lash squid, are a family of small deep-sea squid. Approximately 20 known species in six genera are represented, with members found in both the mesopelagic and bathypelagic zone of most oceans. Originally described by Verill in 1881, it was later lowered by Chun (1920) to a subfamily (Mastigoteuthinae) of the Chiroteuthidae. However, Roper et al. (1969) raised it back to the family level, and this has not been changed since. The taxonomy of this family is extremely unstable, and there have been at times one genus, two genera and four subgenera(Salcedo-Vargas & Okutani, 1994), two genera and several 'groups', five genera and one species with an uncertain placement, or six genera.
Histioteuthidae is a family of Oegopsid squid. The family was previously considered to be monotypic but the World Register of Marine Species assigns two genera to this family.
Taoniinae is a subfamily containing ten genera of glass squids.
Galiteuthis is a genus of glass squids from the family Cranchiidae and the subfamily Taoniinae. Squids in the genus Galiteuthis are large squids with mantle lengths measuring up to 660mm, although it has been suggested that mantle length could reach as much as 2.7m. The most distinctive feature of the speciesa in this genus are they have hooks on the tentacular clubs while there are no hooks on the arms, and by their long, thin, terminal fins.
Taonius is a small genus of glass squid. Although it comprises only three recognised species, it has been suggested there may be as many as five species. Taonius borealis is found in the North Pacific Ocean and Taonius pavo is found in the Atlantic and possibly SW Indian Ocean.
Teuthowenia is a genus of glass squid in the subfamily Taoniinae. Members of this genus are characterized by their deep-sea habitat, clear bodies, and ability to engorge themselves with water to become larger when threatened. Each known species has a visible digestive gland, which serves a similar purpose as a stomach and liver.
Idioteuthis is a genus of whip-lash squid containing at least one species. Some teuthologists consider it synonymous with Mastigoteuthis, but genetics have confirmed the placement of this genus as distinct from all other genera in this family. The placement of Idioteuthis within the Mastigoteuthidae remains uncertain.
Echinoteuthis is a genus of whip-lash squid containing approximately three to five species. Some teuthologists consider Idioteuthis synonymous with this taxon.
Magnoteuthis is a genus of whip-lash squid containing at least three species. Some teuthologists consider Idioteuthis or Mastigoteuthis synonymous with this taxon, but it is genetically and morphologically distinct.
Mastigopsis is a genus of whip-lash squid containing one single species, Mastigopsis hjorti. Some teuthologists consider Idioteuthis synonymous with this taxon; however, genetic results indicate that this genus is not closely related with Idioteuthis but actually closer to Magnoteuthis.
Mastigoteuthis agassizii is a species of whip-lash squid. It is the type species of the genus.
Mastigoteuthis flammea is a species of whip-lash squid. The placement of this species in the genus Mastigoteuthis is questionable.
Mastigoteuthis glaukopis is a species of whip-lash squid.
Euprymna is a genus of bobtail squid comprising a number of species.
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 Onykia carriboea, the tropical clubhook squid.
Asperoteuthis lui is a chiroteuthid squid of the genus Asperoteuthis. This species was discovered from the stomach contents of a ling, a species of fish. The damaged specimen did not include a funnel or a mantle, but had multiple arms, one tentacle, and eyes. It was initially identified as a species of giant squid of the genus Architeuthis.
Octopoteuthis is a genus of squid. It is one of two genera in the family Octopoteuthidae, the other being Taningia. Both Octopoteuthis and Taningia are characterized by their lack of tentacles for the majority of their life cycle, and have traits characteristic of both squids and octopods. The species limits of the genus are in need of further research, for example some authorities have stated that the Mediterranean species Octopoteuthis sicula is apparently the senior synonym of Octopoteuthis danae and that it is very closely related to, or possibly conspecific with, Octopoteuthis megaptera.
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