invertebrates arthropods cnidarians echinoderms molluscs other invertebrates vertebrates amphibians birds fishes mammals reptiles fossils invertebrate fossils vertebrate fossils plant fossils botanical foods leaves trees all other other anatomy anthropology ecology fungi/lichens life cycles concepts page 1 of 2

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Fossil trackway with sandpiper gouache paint

Late Devonian fish Eusthenopteron foordi watercolor and gouache paints

Devonian placoderm Phlyctaenius acadicus watercolor and gouache paints

Late Carboniferous reptile Hylonomus lyelli watercolor and gouache paints

Fossilized fish vertebra pen and ink

Ichthyosaur gouache paint, graphite

Holoptychius jarviki Adobe Photoshop® pen and ink

Four views of a fossil vertebra Australopithecus africanus carbon dust

Short-faced cave bear Arctodus simus Pleistocene mammal - North America Adobe Photoshop® pen and ink