The Devonian period was a time of great tectonic activity ... Marine faunas continued to be dominated by bryozoa, diverse and abundant brachiopods, the enigmatic hederelloids, microconchids ...

including brachiopods, trilobites, bivalves, bryozoans, cephalopods, corals, crinoids, gastropods, and crustaceans from the Middle Devonian period (Caster, 1939). The rocks of the Floresta Formation ...

Late Devonian brachiopod fossils were preserved as molds in a fine-grained sandstone (Big Creek, Hornell, New York, N 42.364361, W 77.645760). Individual fossil samples like this are the basis for ...

He’s a Dunkleosteus — a giant armored fish that swam the sea during the Devonian period, around 350 million ... Horned corals look like bones, and brachiopods look like sea shells.