Cretaceous Marine scene
The Cretaceous Period was named for the chalk deposits laid down in warm shallow seas. This scene, from the Early Cretaceous (approximately 140 mya), focuses on the abundant invertebrate life present, including bivalves, ammonites (relatives of the Nautil
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Ammonite Ammonites Arthropods Artwork Bivalve Bivalves Bivalvia Cephalopod Cephalopoda Cephalopods Crab Crabs Cretaceous Echinoderm Echinodermata Echinoderms Evolution Extinct Extinction Gastropod Gastropods Illustrated Illustration Illustrations Invertebrates Mesozoic Mollusca Mollusk Mollusks Painting Period Prehistoric Prehistory Reconstruction Reconstructions Seascape Seascapes Seastar Snail Snails Star Starfish Stars Urchin Urchins
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