''Chtenopteryx'' is a genus of small, muscular, midwater
squid
A squid (: squid) is a mollusc with an elongated soft body, large eyes, eight cephalopod limb, arms, and two tentacles in the orders Myopsida, Oegopsida, and Bathyteuthida (though many other molluscs within the broader Neocoleoidea are also ...
in the
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...
family Chtenopterygidae. Four species are presently recognized in the genus, but more are believed to exist.
These squid occupy
tropical
The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...
to
subtropical
The subtropical zones or subtropics are geographical zone, geographical and Köppen climate classification, climate zones immediately to the Northern Hemisphere, north and Southern Hemisphere, south of the tropics. Geographically part of the Ge ...
waters, probably at depths of between during the day and near-surface waters at night.
The genus contains bioluminescent species.
Species
* ''
Chtenopteryx canariensis
''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.
These squid occupy tropical to subtropical waters, proba ...
''
Salcedo-Vargas & Guerrero-Kommritz, 2000
* ''
Chtenopteryx chuni
''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.
These squid occupy tropical to subtropical waters, proba ...
''
* Pfeffer
Pfeffer is a German language, German surname meaning "Black pepper, pepper" and may refer to:
* Anna Pfeffer (born 1946), Hungarian Olympic medalist sprint canoer
* Anshel Pfeffer, British journalist
* Anton Pfeffer (born 1965), Austrian football ...
, 1912
* ''
Chtenopteryx sepioloides''
Rancurel, 1970
* ''
Chtenopteryx sicula
''Chtenopteryx sicula'', also known as the comb-finned squid or toothed-fin squid, is a species of squid native to at least the Mediterranean Sea. It is characterised by several distinct morphological features: ocular photophores are present but ...
''
(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.
References
External links
Tree of Life web project: ''Chtenopteryx''
Bathyteuthida
Bioluminescent molluscs
Taxa named by Adolf Appellöf
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