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Upper Mississippian: Brachiopod-crinoid-bryozoan packstone from Pound Gap, Kentucky.

Upper Mississippian: Brachiopod-crinoid-bryozoan packstone from Pound Gap, Kentucky.

When the mafic dyke you're mapping has a kink in it. (Credit: @metageologist)

When the mafic dyke you're mapping has a kink in it.

Archaeopteryx fossil

"Evolutionary biology is an extensive interest of mine. This fossil of Archaeopteryx proves the developmental transition of feathered dinosaurs to modern birds.

Sea Scorpions caught in a time stream.

Sea Scorpions caught in a time stream. Wow, whatever happened sure happened in a flash to trap the moving animals so fast.

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Confuciusornis is a genus of primitive crow-sized birds from the Early Cretaceous Yixian and Jiufotang Formations of China. A Bird-- which surprise: has feathers.

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

Owl amazing camouflage

15 camouflaged owls — Beautiful birds blending in

The dinosaur Giganotosaurus carolinii, one of the world's largest terrestrial carnivores (along with Spinosaurus), reconstructed in the position where its fossilized bones were found, at the museum of Villa El Chocón, next to the hydroelectric dam of El Chocón, Neuquén Province, Argentina.

The dinosaur Giganotosaurus carolinii, reconstructed in the position where its fossilized bones were found, Museum of Villa El Chocón, Neuquén Province, Argentina.

Biggest ever: The fossil of the 165m year old Golden Orb Weaver spider, discovered in inner Mongolia

The Spidersaur: Largest ever fossil of Jurassic-era arachnid found perfectly preserved after 165m years

Fossilised spider 'biggest on record' The female, which lived about 165 million years ago, belongs to a collection of spiders well known today - the golden orb weavers. Until this new fossil turned up in Inner Mongolia, the most ancient example from this

Crinoid fossils are sea lilies and feather stars that attached to the sea bottom, filtered food particles, and boomed in the Paleozoic period when plants dominated the earth. Most of the coal deposits found in the world today are found in association to Pyrite (decomposing plant and animal life + oxidation) due to high quartz and sulfur levels of 60% or more. Crinoids are found in Limestone.

Crinoid fossils are sea lilies and feather stars that attached to the sea bottom, filtered food particles, and boomed in the Paleozoic period when plants dominated the earth. Most of the coal deposits found in the world today are found in association to P

Two ancient reptile fossils preserved in fine, volcanic sediments from Liaoning (China).

Two ancient reptile fossils preserved in fine, volcanic sediments from Liaoning, China

Collage de imágenes de fósiles encontrados en el noreste de China que incluyen todo tipo de especies (Robert Clark, 2014)

These fossils found in northeastern China show the diversity and small sizes of some of the feathered dinosaurs. Many avian traits evolved in dinosaurs long before birds themselves appeared.

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