Steneosaurus bollensis - Steneosaurus is an extinct genus of teleosaurid crocodyliform from the Early Jurassic to Middle Jurassic (Toarcian to Callovian). Fossil specimens have been found in England, France, Germany, Switzerland and Morocco. The largest species, S. heberti, reached up to 5 m (16.5 ft) long, though 2.5–3.5 m was far more common Species in this genus are traditionally classed into two skull groups: longirostrine (long, narrow jaws) and brevirostrine (short, broad jaws)

Steneosaurus bollensis - Steneosaurus is an extinct genus of teleosaurid crocodyliform from the Early Jurassic to Middle Jurassic (Toarcian to Callovian). Fossil specimens have been found in England, France, Germany, Switzerland and Morocco. The largest s

A BEAUTIFUL SEA LILY FOSSIL, SEIROCRINUS SUBANGULARIS, LOWER JURASSIC, HOLZMADEN, SOUTH GERMANY Estimate 55,000 — 70,000 EUR LOT SOLD. 61,500 EUR

A BEAUTIFUL SEA LILY FOSSIL, SEIROCRINUS SUBANGULARIS, LOWER JURASSIC, HOLZMADEN, SOUTH GERMANY Estimate 55,000 — 70,000 EUR LOT SOLD. 61,500 EUR

Trilobite fossil. Over 17,000 known species roamed the oceans for over 270 million years. All gone now...

Trilobite (Phacops rana) was designated the state fossil of Pennsylvania in an elementary school science class campaigned for this prehistoric invertebrate.

Ammonites at the Smithsonian. Originating from within the bactritoid nautiloids, the ammonoid cephalopods first appeared in the Devonian (circa 400 million years ago) and became extinct at the close of the Cretaceous (65.5 Ma) along with the dinosaurs.

Ammonite Fossils - The Promicroceras Planicosta on display at the Smithsonian Museum of Natural History - Washington D.

Seed fern (Neuropteris heterophylla)  Credit: NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY

Seed fern (Neuropteris heterophylla) Credit: NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY

Starfish fossils, this is so cool... from Charmouth on Dorset's Jurassic Coast This starfish fossils cluster is mesmerizing! Credit: tripadvisor  Geology Wonders

Starfish fossils from Charmouth on Dorset's Jurassic Coast Credit: tripadvisor Geology Wonders

Identified as "Trilobite fossil ... Cambrian" Shape reminds me of a horseshoe crab

Identified as "Trilobite fossil . Cambrian" Shape reminds me of a horseshoe crab

Annularia sp. are the leaf whorls of an extinct horsetail. These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of 31 feet. Fossil found in Illinois

- the leaf whorls of an extinct horsetail. These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of 31 feet. Fossil found in Illinois

Kronosaurus fossil.  Can you even imagine what this looked like when it was swimming through the ocean?

Kronosaurus meaning "lizard of Kronos" is an extinct genus of short-necked pliosaur. It was among the largest pliosaurs, and is named after the leader of the Greek Titans, Cronus.

When Trilobites Ruled the World

When Trilobites Ruled the World

When Trilobites Ruled the World : Classification Règne Animalia Sous-règne Bilateria Infra-règne Protostomia Super-embr.

Fossil ants from the Parachute creek member of the Green River fm of Colorado.

Fossil ants from the Parachute creek member of the Green River fm of Colorado.

ammonites (fossils) - loved collecting fossils like these as a child with my dad on family holidays by the sea

ammonites (fossils) - loved collecting fossils like these as a child with my dad on family holidays by the sea Mais

Sinosauropteryx: The first genus of dinosaur outside of Avialae (birds and their immediate relatives) to be found with evidence of feathers. Which can be seen clearly in this gorgeous fossil.

The living Earth (except a few times when I pin dead stuff) --- Sinosauropteryx: The first genus of dinosaur outside of Avialae (birds and their immediate relatives) to be found with evidence of feathers. Which can be seen clearly in this gorgeous fossil.

Have done fossil hunting (only where it's legal) in Montana, North Dakota and Washington. Fun for all ages.

fossil hunting (only where it's legal) in Montana, North Dakota and Washington. Fun for all ages.

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