placement of Trachyteuthis is uncertain. Though often assigned to the order Vampyromorphida, the discovery of fossilised Trachyteuthis beaks in the Upper...

Glyphiteuthis, Muensterella, Palaeololigo, Teudopsinia, Teudopsis, and Trachyteuthis), loligosepiids (e.g. Geopeltis, Jeletzkyteuthis, and Loligosepia),...

; Keupp, H. (2007). "Gladius shape variation in coleoid cephalopod Trachyteuthis from the upper Jurassic nusplingen and Solnhofen plattenkalks" (PDF)...

Maastrichtian Maastricht Formation of the Netherlands. Although the Jurassic Trachyteuthis was historically considered possibly related to cuttlefish, later studies...

its ontogeny, and secondary fins have been reported in the extinct Trachyteuthis. Cephalopod fin morphology is highly variable. The fins may be large...

evidence of predation by Kronosaurus is also known (Eyden, 2003b). Trachyteuthis 0.8 m (gladius length) Fuchs and Stinnesbeck (2021) Size given for Early...

tricarinata Eichstätt, Daiting Altmühltal Formation, Mörnsheim Formation Trachyteuthis T. hastiformis Daiting, Painten, Eichstätt, Brunn Mörnsheim Formation...

(156–146 mya) of Solnhofen, Plesioteuthis prisca, Leptotheuthis gigas, and Trachyteuthis hastiformis, cannot be positively assigned to this group; they are large...

Mesozoic. Up to five families are known, among which the Trachyteuthidae, Trachyteuthis in particular, were the most abundant. The Teudopseina can be united...

L. gigas Parloviteuthis P. kapitzkei Pearceiteuthis P. sp Plesioteuthis P. prisca Patelloctopus P. ilgi Trachyteuthis T. hastiformis T. nusplingensis...