1. Pelecypods of this age in Wisconsin were preserved in Door County.2. During the early Mesozoic, Triassic pelecypods were common Washington inhabitants. 3. The most common Miocene aged fossils are gastropods and pelecypods . 4. To the north these sediments grade laterally into nearshore marine clays with fossil pelecypods . 5. These included pelecypods and tube-building worms. 6. Contemporary gastropods and pelecypods left behind abundant fossils in what is now the Mesabi Range. 7. During the Pennsylvanian life included blastoids, brachiopods, bryozoans, fusulinids, and pelecypods . 8. Paleocene life in Alabama included pelecypods . 9. The most common Cretaceous fossils in Texas are cephalopods, echinoids, gastropods, and pelecypods . 10. The only known Jurassic fossils of Texas come from the Malone Mountains which preserve ammonites, gastropods, and pelecypods .
