Genus Themisto Guérin Méneville, 1825

Museums

Regional Maps

• Themisto Guérin Méneville, F.-E. 1825. Entomologie, ou Histoire Naturelledes Crustacés, des Arachnides et des Insectes. In, Encyclopedie Methodique Histoire Naturelle. Paris : Agasse Vol. 10. 833 pp. [772] [junior homonym of Themisto Oken, 1815 (Mollusca), but Oken's publication was placed on the Official List of Rejected Works by Opinion 417 of the International Commission of Zoological Nomenclature; see Bowman, T.E., Cohen, A.C. & McGuinness, M.M. 1982. Vertical distribution of Themisto gaudichaudii (Amphipoda: Hyperiidea) in Deepwater Dumpsite 106 off the mouth of Delaware Bay. Smithson. Contrib. Zool. 351: 1–15].

  Type species:

   Themisto gaudichaudii Guérin Méneville, 1825 by monotypy.

  Secondary source:

   Bowman, T.E., Cohen, A.C. & McGuinness, M.M. 1982. Vertical distribution of Themisto gaudichaudii (Amphipoda: Hyperiidea) in Deepwater Dumpsite 106 off the mouth of Delaware Bay. Smithsonian Contributions to Zoology 351: 1-15.
• Parathemisto Boeck, A. 1871. Crustacea Amphipoda Borealia et Arctica. Bulletin of the Mauritius Institute 1870: 81-280 i-viii [87].

  Type species:

   Parathemisto abyssorum Boeck, 1871 by subsequent designation, see Chevreux, E. & Fage, L. 1925. Amphipodes. Faune de France 9: 1-488 [409].

  Secondary source:

   Bowman, T.E. 1960. The pelagic amphipod genus Parathemisto (Hyperiidea: Hyperiidae) in the North Pacific and adjacent Arctic Ocean. Proceedings of the United States National Museum 112(3439): 343-392 [345].
• Euthemisto Bovallius, C. 1887. Systematical list of the Amphipoda Hyperiidea. Bihang till Kungliga Svenska Vetenskaps-Akademiens Handlingar 11(16): 1-50 [21] [nom. nov. for Themisto Guérin Méneville, 1825].

 

Taxonomic Decision for Synonymy

• Bowman, T.E. 1960. The pelagic amphipod genus Parathemisto (Hyperiidea: Hyperiidae) in the North Pacific and adjacent Arctic Ocean. Proceedings of the United States National Museum 112(3439): 343-392 [344]
• Evans, F. 1968. The subgenera Parathemisto and Euthemisto of the genus Parathemisto (Amphipoda, Hyperiidea). Crustaceana 14(1): 105-106 [105]
• Bowman, T.E., Cohen, A.C. & McGuinness, M.M. 1982. Vertical distribution of Themisto gaudichaudii (Amphipoda: Hyperiidea) in Deepwater Dumpsite 106 off the mouth of Delaware Bay. Smithsonian Contributions to Zoology 351: 1-15 [1]

 

Distribution

States

New South Wales, Queensland, South Australia, Tasmania, Victoria, Western Australia

Extra Distribution Information

Themisto has a bi-polar distribution with species restricted to the colder waters of the Arctic and Antarctic regions and occasionally venturing into cool-temperature waters (Zeidler 2004)

IBRA and IMCRA regions

drainage basins and coastal and oceanic zones

IMCRA

Tasmania Province (10), Southeast Transition (11), Central Eastern Province (12), Tasman Basin Province (13), Central Eastern Transition (15), Kenn Transition (16), Kenn Province (17), Northeast Province (18), Northeast Transition (19), Cape Province (20), Western Bass Strait Shelf Transition (34), Bass Strait Shelf Province (35), Tasmanian Shelf Province (36), Southeast Shelf Transition (37), Central Eastern Shelf Transition (39), Northeast Shelf Province (40), Northeast Shelf Transition (41), Central Western Transition (5), Central Western Province (6), Southwest Transition (7), Southern Province (8), West Tasmania Transition (9)

Original AFD Distribution Data

Australian Region

• Australia
  • 200 m bathymetric: Bass Strait, NE coast, Tas. Coast
  • 200 mile fishing zone: NE oceanic, S oceanic, SE oceanic, W oceanic

Nearctic Region

• Greenland

Neotropical Region

• Argentina

Distribution References

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
05-Aug-2022	AMPHIPODA Latreille, 1816	06-Jun-2018	MODIFIED	Dr Shane Ahyong
05-Aug-2022	AMPHIPODA	29-Apr-2013	MODIFIED	Dr Jim Lowry (AM)
05-Aug-2022		22-Nov-2012	MODIFIED
05-Aug-2022		16-Dec-2011	MODIFIED
		09-Mar-2010	MODIFIED