Thysanoteuthis

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

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.