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Cooperoceras texanum | Fossil nautiloid from the collections @NMNH.

NMNH Invert Zoology on

fossil nautiloid (Cooperoceras texanum) from the collections

Diabloceratops head on. Image courtesy Jim Kirkland.

Guest Post: presenting Diabloceratops eatoni

Trilobite | ... +espectacular+Spinose+Lichid+Russian+trilobite+Rusia+trilobite.jpg

A spinous Russian lichid Trilobite. There are about species of trilobite that dominated the oceans for a quarter billion years!

FOSSIL BRITTLE STAR PLATE Ophiuroides sp. Ordovician Kataoua Formation, Tremadoc Series, Draa Valley, near Mecissi, Morocco

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Jimbacrinus bostocki Cundelgo formation Western Australia from Tom Kapitany

Jimbacrinus bostocki Cundelgo formation Western Australia from Tom Kapitany

An armoured jawless fish (a Cephalaspis, which is a kind of osteostracan). This creature evolved as it adapted to the transition from open sea to freshwater conditions in the Ludlow area towards the end of the Silurian. It had not evolved at the time the rocks beneath Whitcliffe were laid down, but fossils of the animal have been found in the younger rocks just to the east, downstream of Ludford Bridge.

An armoured jawless fish (a Cephalaspis, which is a kind of osteostracan). This creature evolved as it adapted to the transition from open sea to freshwater conditions in the Ludlow area towards the end of the Silurian.

prvohory kambrium - Hledat Googlem

Who needs creepy clowns or insane killers when we have monsters in our own past? This creature is in the Trilobite family.

Pachycephalosaurus (Greek for "thick-headed lizard"); pronounced PACK-ee-SEFF-ah-low-SORE-us

Pachycephalosaurus - the ROM - Kendra Spence Pachycephalosaurus is a genus of pachycephalosaurid dinosaurs. The type species, P. wyomingensis, is the only known species. It lived during the Late Cretaceous Period of what is now North America.

Fossils of extinct, free-swimming mollusks called ammonites found at the site of 74-million-year-old methane seep at the bottom of Western Interior Seaway in what is now South Dakota.

Fossils Show Surprising Life of Ancient Swimming Mollusks

Fossils of extinct, free-swimming mollusks called ammonites found at the site of methane seep at the bottom of Western Interior Seaway in what is now South Dakota.

Terataspis grandis, a giant spiny trilobite from the Onondaga Limestone of western New York

mineralists: “Terataspis grandis, a giant spiny trilobite from the Onondaga Limestone of western New York ”

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