Chtenopteryx

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.

Chtenopteryx
Chtenopteryx sicula
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Bathyteuthida
Family:	Chtenopterygidae Grimpe, 1922
Genus:	Chtenopteryx Appellöf, 1890
Type species
Sepioteuthis sicula Vérany, 1851[1]
Species
See text

These squid occupy tropical to subtropical waters, probably at depths of between 500–1,000 m (1,600–3,300 ft) during the day and near-surface waters at night.

The genus contains bioluminescent species.^[2]

Species

• Chtenopteryx canariensis Salcedo-Vargas & Guerrero-Kommritz, 2000
• Chtenopteryx chuni * Pfeffer, 1912
• Chtenopteryx sepioloides Rancurel, 1970
• Chtenopteryx sicula (Vérany, 1851), 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.