Germanonautilus

Germanonautilus Temporal range: Triassic
Germanonautilus suevicus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Order:	Nautilida
Family:	Tainoceratidae
Genus:	Germanonautilus Mojsisovics, 1902

Germanonautilus is a cephalopod genus included in the nautilid family Tainoceratidae, found widespread in the Triassic of North America, Europe, Asia, and north Africa. The shell is a moderately involute nautilicone (a form based on Nautilus); whorl section subquadrate to trapezoidal, widest across the umbilical shoulders, flanks flattened and ventrally convergent, venter flat and wide, dorsum narrowly and deeply impressed. The suture is with broad and deep lateral lobes and a shallow ventral lobe. The siphuncle is central and nummuloidal, composed of expanded segments that give a beaded appearance. Its color is usually brown-grey.

References[]

This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. Please help to improve this article by introducing more precise citations. (April 2013) (Learn how and when to remove this template message)

• Bernhard Kummerl, 1964. Nautiloidea-Nautilida. Treatise on Invertebrate Paleontology Part K. Geological Society of America and University of Kansas Press.
• Germanonautilus in Paleobiology Database [1]
• J.J. Sepkoski, 2002. List of Nautiloid genera. [2]