''Gundolficeras'' is member of the

Tornoceratidae Tornoceratidae is a family of goniatitid ammonoids from the middle and upper Devonian. The family is included in the suborder Tornoceratina and the superfamily Tornoceratoidea. Tornoceratids are subdiscoidal goniatitids with biconvex growth l ...

, (goniatitid ammonites), from the Late Devonian named by Becker, 1995 and assigned to the

Falcitornoceratinae Falcitornoceratinae is one of three subfamilies of the Tornoceratidae family, a member of the Goniatitida Goniatids, informally goniatites, are Ammonoidea, ammonoid cephalopods that form the order Goniatitida, derived from the more primitive A ...

. The type species is ''"Lobotornoceras" bicaniculatum''. ''Gundolficeras'' has a compressed or somewhat inflated shell that may have ventrolateral furrows and an open or closed umbilicus at medium stages. The suture has a small ventral lobe and on either side, a narrow, asymmetric, rounded or pointed adventitious lobe and a high saddle located mid-flank. ''Gundolficeras'' differs from its partly contemporary, but slightly older relative ''

Falcitornoceras ''Falcitornoceras'' is a goniatitid ammonite from the Late Devonian, early Famennian The Famennian is the latter of two faunal stages in the Late Devonian Epoch. The most recent estimate for its duration estimates that it lasted from around 3 ...

'' in the details of the suture and in sometimes having an open umbilicus.

References

*''Gundolficeras'' i
GONIAT Online
6/9/12
Falcitornoceratinae
Paleobio Database. 6/9/12 Late Devonian ammonites Fossils of Morocco Ammonites of Africa Tornoceratidae Goniatitida genera {{Goniatitida-stub