Other Molluscs from North America

See images from the:

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

Tentaculites
From the Devonian in West Virginia
© 2003 Thomas Kammer

Shelbyoceras robustum
From the Cambrian in Missouri
© 2005 Nicholas Angeli