Silurian Period
Cnidaria
Halysites catenulatus
Bilateria
Panarthropoda
Acutiramus cummingsi
Eurypterus lacustris
Eurypterus remipes
Paracarcinosoma scorpionis
Proscorpius osborni
Lophotrochozoa
Liospira perlata
Phragmoceras boderipi
Poleumita discors
Echinodermata
Caryocrinus ornatus
Periechocrinus multiformis
Scyphocrinites
sp.
Last modified 11/29/13