Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Speetoniceras agnessense

Cephalopoda - Ammonoida - Polyptychitidae

Taxonomy
Speetoniceras agnessense was named by Imlay (1960) [DISTRIBUTION: Early Cretaceous; Pacific Coast, North America.]. Its type specimen is USNM 129658, a shell, and it is not a trace fossil.