Seed Fern fossils-Pennsylvanian

Lower Pennsylvanian plant fossils in shale: Neuropteris, a seed fern. Image is about 10 cm across. (180427-23)

Fossils of Eurypterus remipes

Eurypterus remipes. Rock is about 12 cm across bottom. (180427-21)

Crinoids in MIssissippian Limestone

Eocene Herring and palm frond

Fossilized Eocene herring and palm frond. Green River Formation, Wyoming. Fish is about 8cm long (180629-39)

Dinosaur footprint-Cretaceous Ornithopod (vertical)

Cretaceous Dinosaur Ornithopod tracks. Penny for scale. Dakota Formation, Colorado. (171123-31)

Eocene Ginkgo leaf (square)

fossilized Eocene Ginkgo leaf, Republic, Washington (IP16-3782)

Cambrian trace fossils

from Bright Angel Shale in the Grand Canyon, Arizona. (F-26)

Cambrian Lingula brachiopods.

Cambrian Lingula brachiopods, Mt. Simon Sandstone, Wisconsin. (F-30)

Pennsylvanian seed fern (vertical)

Pennsylvanian seed fern in shale.. Approx 10 cm across. (F-21)

Triassic fossilized tree. Petrified Forest NP, AZ.

Triassic fossilized tree. Petrified Forest National Park, Arizona (F-15).

Jurassic dinosaur (sauropod) fossils. Dinosaur NM, Utah-Colorad

Dinosaur National Monument, Utah-Colorado. (F-13)

Eocene shark tooth, Morocco.

Eocene shark tooth (Otodus obliquus). Morocco. F-10.

Eocene Sand Dollar

Fossilized Sand Dollar (Eocene). Scutella. (30-12787)

Upper Silurian crinoid (Sea Lily)

Crinoid (upper Silurian) Scyphocrinites sp. Photo is about 15 cm across. (30-12776)

Fossil and modern ginkgo leaves (square)

Fossil and modern ginkgo leaves (square). (2Fos-A)

Anomalocaris, soft-bodied fossil, Burgess Shale

Anomalocaris, a feeding appendage of a soft-bodied fossil of the Cambrian Burgess Shale. (120708-43)

Cambrian Ogygopsis trilobite

Ogygopsis klotzi, a trilobite from the Cambrian Stephen Shale, British Columbia, Canada. (120708-11)

Petrified wood in volcanic tuff (vertical)

Petrified wood in volcanic tuff. (110918-5)

Devonian coral, Alberta, Canada

Devonian coral, Alberta, Canada (110918-20)

Paleosols of John Day Formation, Oregon

Oligocene paleosols in John Day Fossil Beds National Monument. (110805-141)

Permian Coral from Tethys Ocean

This coral, and others like it, came from the ancient Tethys Ocean, which existed in the far western Pacific during the Permian. It is now found in limestones of Oregon’s accreted terranes. (110428-9)

Mesozoic ammonites.

Mesozoic ammonites.(091020-3)

Proterozoic stromatolite (vertical)

Proterozoic Helena Formation stromatolite. (Image ID# 090717-33)