Fossil maidenhair tree leaf
Fossilised leaf
Fossil redwood eaves
Fossilised conifer wood
Fossil maple leaf
Fossil conifer
Gymnosperm fossil
Fossil seed fern leaves
Fossil fern frond
Fossil fern fronds
Fossil sand tiger shark teeth
Athleta luctator, sea snail fossil
Uintatherium ungulate, fossil skull
Fish fossil
Acacia-like pod, plant fossil
Fossil leaf
Fossil conifer leaf
Fossil cycad leaves
Petrified oak, tree trunk fossil
Florissant Formation plant fossil
Fossilised Clavithes shell
Dorsal view of fossilized Archaeogeryon
Fossilised seed fern seeds
Fossil fish
Diplomystus fossil fish
Diplomystus dentatus fossil
Priscacara fish fossil
Phareodus fish fossil
Diplomistus fish fossil
Priscacara fossil fish
Knightia fossil fish
Fagus fossil leaves
Engelhardia fossil seed
Trilobite fossil
Olenus gibbosus trilobite fossil
Annularia fossil plant
Autunia fossil fern
Brachyphyllum fossil plant
Indeterminate Pycnodont fossil
Skin of an Pycnodont fish fossil
Hyracotherium horse, fossil skull
Australopithecus afarensis male
Phareodus fossil fish
Zamites fossil branch
Tylocidaris Echinoid fossil in chalk
Seed fern fossil
Marine turtle fossilised skull
Fossilised Lepidodendron bark
Clymenia laevigata fossilized in limestone
Goniatites crenistria fossilised in shale
Extinct rhino jaw fossil
Pecopteris fossil fern
Fossil Calamites leaves
Fossil Sphenophyllum plant
Fossil torvosaurus dinosaur claw
Shark's tooth fossil
Mud Lobster fossil
Cystoid fossil
Fossil ammonite
Wiwaxia Burgess Shale fossil
Fossil fish teeth
Sea urchin fossil
Slit shell fossil
Pseudocrioceras fasciculare ammonite fossil
Anisoceras ornatum ammonite fossil
Fossilised pterosaur footprint
Dapedium orbicularis, fish fossil
Fossil shark tooth
Homo habilis skull
Credneria triacuminata, leaf fossil
Hypsilophodon dinosaur skeleton
Freshwater dinosaur fossil
Fossil Vauxia sponge
Cynognathus synapsid skull fossil
Beaked sandfish fossil
Fossil Butte National Monument, Wyoming, USA
Softshell aquatic turtle fossil, Wyoming, USA
Volunteer at Fossil Butte National Monument visitor center
Plesiosaur fossil
Gyrodus frontatus fossil fish
Didymograptus, graptolite fossil
Trinucleus, trilobite fossil
Ammonite fossils
Cone shell
Heart urchin
Fossilized Pteridosperm seeds
Brachiopods fossilized in brown rock
Paranthropus boisei skull
Homo erectus, illustration
Homo habilis female
Fossil museum
Neuropteris, seed fern fossil
Fish fossil head
Ichthyosaurus communis fossil
Ichthyosaurus intermedius fossil
Fossil fern trunk
Prehistoric rodent fossil
Soliclymenia ammonoid fossil
Brachiopods productus fossil
Pholiodophorus bechei, fish fossil
Homo heidelbergensis tooth
Homo heidelbergensis teeth
Homo heidelbergensis lower jaw
Prehistoric fish fossil
Heterolepidotus ornatus fish fossil
Xistridura, Cambrian trilobite fossil
Crioceras majoricensis ammonite fossil
Kutatissites simionescui ammonite fossil
Ammonitoceras sp. ammonite fossil
Sundial shell fossil
Changaspis elongata, Cambrian trilobite fossil
Placoparia tournemini, Ordovician trilobite fossil
Asaphus lepidurus, Ordovician trilobite fossil
Coronocephalina jastrowi, Silurian trilobite fossil
Archaeopteryx fossil, Berlin specimen
Iguanodon dinosaur, fossil teeth
Fossil crinoids
Crab fossil
Homo rudolfensis skull
Ancyloceras vandenheckii ammonite
Emericiceras emerici
Iguanodon dinosaur, fossil thumb spike
Diplodocus dinosaur, fossil foot bones
Camarotoechi, brachiopod fossils
Fossilised coral
Dimorphodon macronyx, pterosaur fossil
Shark tooth fossil
Heterolepidotus ornatus fish
Cassis canellata (Helmet shell)
Ficopsis penita (Fig shell), Eocene era
False olive shell
River clam shells on slab
Mammoth tusk fossil
Archaeopteris hibernica, tree fossil
Dicroidium, seed fern fossil
Palaeocoma egertoni, brittle star fossil
Petrified conifer, tree trunk fossil
Panopea glycimeris shell
Fossilised oyster shells
Ecphora quadricostata Sea snail
Heart urchin fossilised in limestone
Petrified tree fern, tree trunk fossil
Acrioceras tabarelli and Emericiceras emerici fossils
Phenacodus, illustration
Fish fossils
Trimerocephalus trilobite fossil
Fossil Leaf
Ardeosaurus brevipes, lizard fossil
Merycoidodon, illustration
Fossil Dawn Redwood cone
Fossil Dawn Redwood leaf
Fossil Dawn Redwood leaves