|
|
Class: CEPHALOPODA
--- Taxon Tree: ORTHOCERATOIDEA [Subclass] - ORTHOCERIDA [Order]
------ Family: CHOANOCERATIDAE Miller, 1932 † (Sea) (FOSSIL)
DB counters: Genus=1, Subgenus=0, Species=2, Subspecies=0 ( 0 Species and 0 Subspecies have images)
|
|
Genus: Choanoceras Lindström, 1890 † (DB: 2 SP, 0 IMG)
|
|
|