''Pickfordiateuthis'' is a genus of tiny squid in the family

Loliginidae Loliginidae, commonly known as pencil squids, is an aquatic family of squid classified in the order Myopsida. Taxonomy The family Loliginidae was formerly classified in the order Teuthida. Taxonomic list The classification below follows ...

. While four species have been assigned to the genus, only three have been named. No member is known to reach a maximum mantle length of more than . The genus was erected in 1953 by Gilbert L. Voss, who named it in honour of biologist

Grace Evelyn Pickford Grace Evelyn Pickford (March 24, 1902, Bournemouth, England – January 20, 1986) was an American biologist and endocrinologist, known for "devising ingenious instruments and techniques" and her work on the hematology and endocrinology of fishes. ...

.Voss, G.L. 1953
A new family, genus and species of myopsid squid from the Florida Keys
''Bulletin of Marine Science'' 2(4): 602–609. Voss placed the sole species known at the time, '' P. pulchella'', in its own family, Pickfordiateuthidae, but this was sunk in synonymy with

by Thomas Brakoniecki in his 1996 revision of ''Pickfordiateuthis''.Brakoniecki, T.F. 1996
A revision of the genus ''Pickfordiateuthis'' Voss, 1953 (Cephalopoda; Myopsida)
''Bulletin of Marine Science'' 58(1): 9–28. Brakoniecki also described '' P. vossi'' as new and identified a third, unnamed species, ''P.'' sp. A. A fourth species, '' P. bayeri'', was added in 2001 by

Clyde Roper Clyde F. E. Roper (born 1937) is a zoologist at the National Museum of Natural History in Washington, D.C. He has organised a number of expeditions to New Zealand to study giant squid, including in 1997 and 1999. He graduated from Transylvania Uni ...

and Michael Vecchione.Roper, C.F.E. & M. Vecchione 2001. ''Bulletin of the Biological Society of Washington'' 10: 301–310.

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