Teichertoceras [SEP] parent taxon
Teichertoceras
Teichertoceras is a discosorid genus in the family Westonoceratidae characterized by an endogastric curvature to the early portion of the phragmocone.
The shell of "Teichertoceras" is moderately compressed, the early portion a narrow expanding cyrtocone that in the adult become more swollen, taking on an exogastric aspect. The body chamber in the adult is contracted toward the aperture. The siphuncle is ventral. Bullettes at the adapical ends of the connecting rings are small.
"Teichertoceras" is thought to have given rise to "Westonoceras" and
divaricatus"
- †"Teichertoceras"
- †"Teichertoceras husseyi" – or unidentified comparable form
- †"Tetradella"
- †"Tetradella ellipsilira"
- †"Tetradella subquadrans"
- †"Tetradella ulrichi"
- †"Tetranota"
- †"Tetranota bidorsata"
- †"Tetranota macra"
- †"Tetranota obsoleta"
- †"Tetranota sexcarinata"
- †"Tetranota wisconsinensis"
- †"Tetraprioniodus"
- †"Tetraprioniodus breviconus"
- †"Thaleops"
- †"Thaleops ovata"
- †"Thomasatia"
- †"Thomasatia falcicosta"
- †"Thuroholia"
- †"Thuroholia cribriformis"