Cephalopods from North America

See images from the:

		Quaternary
		Tertiary
		Cretaceous
		Jurassic
		Triassic
		Permian
		Carboniferous
		Devonian
		Silurian
		Ordovician
		Cambrian
		Precambrian

Muensteroceras parallelum
From the Carboniferous in Indiana
© 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum

Ceratites humboldtensis
From the Triassic in Nevada
© 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum

Scaphites nodosus
From the Cretaceous in South Dakota
© 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum

Exiteloceras jennyi
From the Cretaceous in Montana
© 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum

Pachydesmoceras colusaense
From the Cretaceous in California
© 2004 UCMP

Groebericeras baileyi
From the Jurassic in California
© 2004 UCMP

Owenites koeni
From the Triassic in California
© 2004 UCMP

Sagenites
From the Triassic in California
© 2004 UCMP

Ammonite
From the Jurassic in Nevada
© 2003 Keck Museum, University of Nevada, Reno