The Tertiary seas of Washington were inhabited by creatures like echinoderms, foraminferans, gastropods, pelecypods, and scaphopods.
12.
The fossils found in the Gibraltar Limestone include various brachiopods, corals, echinoid fragments, gastropods, pelecypods, and stromatolites.
13.
The marine strata within the Fossil Bluff Group contain numerous ammonites, belemnites, gastropods, pelecypods, and other marine fossils.
14.
Both open marine ( crinoids ) and restricted marine ( pelecypods, gastropods ) environments are represented in the Co-op Creek member.
15.
He also conducted important paleontological research of the region that included studies of Mesozoic cephalopods as well as investigations of Cretaceous gastropods and pelecypods.
16.
Bivalves, also known as pelecypods, are mostly filter feeders; through their gills, they draw in water, in which is trapped tiny food particles.
17.
Other invertebrates of this epoch included at least two species of gastropod, eleven pelecypods, two brachiopods, four echinoderms, and a great diversity of bryozoans.
18.
Other fossils found alongside the ostracoderms lived articulated brachiopods, conodonts, gastropods, ostracods, pelecypods, sponges, trilobites, and trace fossils left by worms.
19.
The state's Pennsylvanian marine life included brachiopods, pelecypods, gastropods, cephalopods, anthozoans ( corals and their relatives ), echinoids, bryozoans, and crustaceans.
20.
About 340 million years ago Wisconsin was home to brachiopods, bryozoans, cephalopods, corals, crinoids, cystoids, gastropods, pelecypods, sponges, stomatoporoids, and trilobites.
