Lesueur (1821) erected a family that he called Loligoidea (afterwards emended to Loliginidae, see Vecchione et al., 1998) to fit the "Loligos" (Leachia, Loligo and Onykia) into Cuvier's "natural order". He stated (Lesueur, 1821:88)--
"It is of little consequence what characters we select for the distribution of these animals into families and genera, if our arrangement is the most convenient, and exhibits, as near as possible, a graded transition from one to the other."
A consequence of the age of this family, and its early inclusion of all squids, is that many taxa, both correctly and incorrectly described, have been considered loliginids at one time or another. A summary of this history is found here. Therefore, taxonomic nomenclature in the squid literature can be very confusing.
A thorough nomenclatural review of the family can be found in Sweeney and Vecchione (1998).
Our present classification of the Loliginidae comes from a consensus report by the world's experts on he systematics of this family that was published in the Phuket Marine Biological Center Research Bulletin, No. 66, 2005. A copy of this paper can be found here.
A list of all nominal genera and species in the Loliginidae can be found here. The list includes the current status and type species of all genera, and the current status, type repository and type locality of all species and all pertinent references.
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