Species: Prionocyclus sp.
County: Ellis
Site: Midlothian
Group: None
Formation: Eagle Ford/Atco
Member: None
Period: Cretaceous
Epoch: Upper K
Stage: Coniacian
Class: Cephalopoda
Order: Ammonitida
Superfamily: Ammonitida
Family: Collignoniceratidae
Genus: Prionocyclus
State: Texas
Credit: tmc
ID: 810
MMM ID: None