Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Cephalopoda > Subclass Coleoidea > Superorder Decapodiformes > Order Oegopsida > Superfamily Cranchioidea > Family Thysanoteuthidae > Genus Thysanoteuthis

Thysanoteuthis rhombus Troschel, 1857

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Thysanoteuthis*	Troschel, 1857	accepted genus name

Species group names

*Sepioteuthis major*	J. E. Gray, 1828	synonym
*Thysanoteuthis elegans*	Troschel, 1857	synonym

Vernaculars (+) (-)

Chinese: Líng-Qí-Yóu sources: Lu, C.C. & Chung, W.S. (2017). Guide to the cephalopods of Taiwan. National Museum of Natural Science, Taichung, Taiwan, 560 pp. ISBN 978-986-05-2569-4.

English: diamond squid; diamondback squid sources: van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).;Roper, C.F.E., M.J. Sweeney & C.E. Nauen (1984). FAO Species catalogue. Vol 3. Cephalopods of the World. An annotated and illustrated catalogue of species of interest to fisheries. FAO Fish. Synop. (125), Vol 3: 277 p.

Greek: Ρομβοκαλάμαρο sources: PESI (A Pan-European Species directories Infrastructure) focal points

Japanese: ソデイカ sources: Japan Agency for Marine-Earth Science and Technology. (2009 onwards). Biological Information System for Marine Life (BISMaL). Accessed on 2018-11-21.

Russian: Кальмар-ромб

Literature

original description	Troschel, F. H. (1857). Bemerkungen über die Cephalopoden von Messina. Archiv für Naturgeschichte, Berlin. 23(1): 41-76.
basis of record	Deville, D.; Mori, S.; Kawai, K.; Escánez, A.; Macali, A.; Lishchenko, F.; Braid, H.; Githaiga-Mwicigi, J.; Mohamed, K. S.; Bolstad, K. S. R.; Miyahara, K.; Sugimoto, C.; Fernández-Álvarez, F. Á.; Sanchez, G. (2023). Cryptic biodiversity in the commercial diamondback squid Thysanoteuthis rhombus Troschel 1857. Reviews in Fish Biology and Fisheries. DOI: 10.1007/s11160-023-09813-3.
additional source	Roper, C.F.E., M.J. Sweeney & C.E. Nauen (1984). FAO Species catalogue. Vol 3. Cephalopods of the World. An annotated and illustrated catalogue of species of interest to fisheries. FAO Fish. Synop. (125), Vol 3: 277 p.
additional source	Anonymous. (1994). Squid was one-of-a-kind find. Shell-O-Gram, Jacksonville Shell Club. 35(3): 7.
additional source	Voss, G. L. & Erdman, D. S. (1959). Thysanoteuthis rhombus, large cephalopod new to the Western Atlantic. The Nautilus. 73(1): 23-25.
additional source	Branch, G. M. (2002). Two Oceans. 5th impression. David Philip, Cate Town & Johannesburg.
additional source	Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp.
additional source	Watanabe; K.; Ando, K.; Tsuchiya, K.; Segawa, S. (1998). Late Embryos and Paralarvae of Diamondback Squid Thysanoteuthis rhombus Troschel, 1857. Venus (Journal of the Malacological Society of Japan). 57 (4): 291-301.
additional source	Roper, C. F. E.; Jereb, P. (2010). Family Thysanoteuthidae. In: P. Jereb & C.F.E. Roper, eds. Cephalopods of the world. An annotated and illustrated catalogue of species known to date. Volume 2. Myopsid and Oegopsid Squids. FAO Species Catalogue for Fishery Purposes. No. 4, Vol. 2. Rome, FAO. pp. 384-387.
additional source	Bruggen, A. C. van. (1962). Notes on South African marine Mollusca 6. Thysanoteuthis rhombus (Cephalopoda ) in Algoa Bay. Annals of the Natal Museum 15(21): 267–272.
additional source	Judkins, H. L., M. Vecchione, and C. F. E. Roper. 2009. Cephalopoda (Mollusca) of the Gulf of Mexico, Pp. 701–709 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
ecology source	Looby, A.; Erbe, C.; Bravo, S.; Cox, K.; Davies, H. L.; Di Iorio, L.; Jézéquel, Y.; Juanes, F.; Martin, C. W.; Mooney, T. A.; Radford, C.; Reynolds, L. K.; Rice, A. N.; Riera, A.; Rountree, R.; Spriel, B.; Stanley, J.; Vela, S.; Parsons, M. J. G. (2023). Global inventory of species categorized by known underwater sonifery. Scientific Data. 10(1).
identification resource	Lu, C.C. & Chung, W.S. (2017). Guide to the cephalopods of Taiwan. National Museum of Natural Science, Taichung, Taiwan, 560 pp. ISBN 978-986-05-2569-4.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Thysanoteuthis rhombus Troschel, 1857. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:141680