Tornoceratinae von Arthaber, 1911

Korn, Dieter & Bockwinkel, Jürgen, 2022, The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea), European Journal of Taxonomy 806, pp. 32-51 : 35

publication ID	https://doi.org/ 10.5852/ejt.2022.806.1699
publication LSID	lsid:zoobank.org:pub:A2B2A310-8C8C-41B0-B934-1666129B7D90
DOI	https://doi.org/10.5281/zenodo.6380494
persistent identifier	https://treatment.plazi.org/id/03DD7E29-FFA9-207B-FDEE-F9DB1CB6F82C
treatment provided by	Felipe
scientific name	Tornoceratinae von Arthaber, 1911
status

Treatment

Subfamily Tornoceratinae von Arthaber, 1911

Diagnosis

Subfamily of the family Tornoceratidae with compressed conch, umbilicus closed in the pre-adult and adult stage but slightly opened in the juvenile stage. Ventrolateral grooves, if present, in the juvenile stage. Ornament with biconvex growth lines, without ribs. Sutural formula E A L I or E A L 2 L 2 I; adventive lobe broadly rounded, asymmetric with steep dorsal flank.

Included genera

Tornoceras Hyatt, 1884 View in CoL ; Domanikoceras Becker & House, 1993 View in CoL ; Crassotornoceras House & Price, 1985 View in CoL ; Lobotornoceras Schindewolf, 1936 View in CoL ; Linguatornoceras House, 1965 View in CoL ; Simicheilocras Becker, 1993; Oxytornoceras Becker, 1993 View in CoL ; Epitornoceras Frech, 1902 View in CoL ; Lentitornoceras gen. nov.