Pterygioteuthis giardi
Encyclopedia
Pterygioteuthis giardi is a species of squid
in the family Pyroteuthidae
. The Roundear Enope Squid (P. giardi giardi) and P. giardi hoylei are recognised as possible subspecies
of P. giardi.
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 family Pyroteuthidae
Pyroteuthidae
Fire squid are species belonging to the family Pyroteuthidae. The family comprises two genera. Species are diurnally mesopelagic, however migrate into surface waters during the night. The family is characterised by the tentacles, which have a permanent constriction and bend near the base; and...
. The Roundear Enope Squid (P. giardi giardi) and P. giardi hoylei are recognised as possible subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
of P. giardi.