The Paleontology of North America

Sponges from North America

 

 

Lissocoelia
Lissocoelia
From the Ordovician in California
© 2004 UCMP
Brachiospongia
Brachiospongia
From the Ordovician in Kentucky
© 2001 Richard Schrantz
Uphantaenia chemungensis
Uphantaenia chemungensis
From the Devonian in New York
© 2005 R. Weller, Cochise College
Choia utahensis
Choia utahensis
From the Cambrian in Utah
© 2005 The Virtual Fossil Museum