Chtenopteryx is a genus of small, muscular, midwater squid

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 monotypic

Monotypic

In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

 family Chtenopterygidae. Four species are presently recognized in the genus, but more are believed to exist.

These squid occupy tropical to subtropical waters, probably at depths of between 500 and 1,000 m during the day and near-surface waters at night.

Species

• Chtenopteryx canariensis
• Chtenopteryx chuni *
• Chtenopteryx sepioloides
• Chtenopteryx sicula, Comb-finned Squid or Toothed-fin Squid

The species listed above with an asterisk (*) is questionable and needs further study to determine if it is a valid species or a synonym.

External links

• Tree of Life web project: Chtenopteryx