Chelicerates from North America

See images from the:

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

Eurypterus remipes
From the Silurian in New York
© 2001 Karl Wilson

Eurypterus remipes
From the Silurian in New York
© 2005 The Virtual Fossil Museum

Aglaspida
From the Cambrian in Utah
© 2005 The Virtual Fossil Museum