Thysanoteuthis

Thysanoteuthis is a genus of large squid comprising one well-known species, the diamond squid, and two dubious taxa.

Thysanoteuthis
Thysanoteuthis rhombus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Oegopsida
Superfamily:	Cranchioidea
Family:	Thysanoteuthidae Keferstein, 1866
Genus:	Thysanoteuthis Troschel, 1857[1]
Type species
Thysanoteuthis rhombus Troschel, 1857
Species
Thysanoteuthis danae Thysanoteuthis nuchalis Thysanoteuthis rhombus
Synonyms
Cirrobrachium Hoyle, 1904

Species

• ? Thysanoteuthis danae
• Thysanoteuthis nuchalis
• Thysanoteuthis rhombus, diamond squid or diamondback squid

The species listed above with an asterisk (*) are questionable and need further study to determine if they are valid species or synonyms. The question mark (?) indicates questionable placement within the genus.