Alaskan Cephalopods

Jurassic : Pliensbachian

Arieticeras Protogrammoceras

Fanninoceras

Arieticeras

Protogrammoceras

Fanninoceras

Amaltheus

Leptaleoceras

Fanninoceras

Amaltheus

Leptaleoceras

Fanninoceras

©2001 Curvin Metzler