This is a Wyoming portion of The Phosphoria Formation, a deposit that stretches across several states in the western United States and is the largest source of phosphorus fertilizer in the country

Less life: Limited phosphorus recycling suppressed early Earth’s biosphere

Earliest oceanic tetrapod ecosystem from 249 million years ago. A pod of the small-bodied ichthyopterygian ('fish-lizard') Grippia longirostris hunting squid-like ammonoids (top left). The marine amphibian Aphaneramma captures the bony fish Bobastrania (foreground). The gigantic ichthyosaur Cymbospondylus lurks in the depths (bottom right). Fossil of these ancient marine reptiles and amphibians are today preserved on the Arctic island of Spitsbergen in the Svalbard archipelago. Credit: Robert Back

Oldest oceanic reptile ecosystem from the Age of Dinosaurs found on...

New theory on Earth’s biggest mystery

Predators abound on land, in the air and in water some 95 million years on the shores of northern Africa -- as shown by the abundant fossils in the Kem Kem region. Large herbivores, such as the long-necked sauropod Rebbachisaurus, could have been hunted or scavenged by several large predators. Credit: Artwork by Davide Bonadonna

Jurassic Park in eastern Morocco: Paleontology of the Kem Kem Group

The oldest fossilized giant penguin

How Turtles Got Their Shells: Fossil of Extinct South African Reptile

Well-preserved fossils -- like this Yanoconodon allini (Specimen No.: NJU P06001; Formation: Yixian; Age: 122.2-124.6 million years ago; Provenance: China)

Flowering plants, new teeth and no dinosaurs: New study sheds light...

Dissecting the animal diet, past and present

This map of Pangea shows the distribution of life during the late Permian period

How much can 252-million-year-old ecosystems tell us about modern Earth? A...

Paleontologists discover new species of horned dinosaur in southern Utah

Daohugou pterosaur

New discovery pushes origin of feathers back by 70 million years

Animal species in today’s oceans most diverse than ever

Illustration of the Jurassic thyreophoran Scelidosaurus harrisonii, Jack Mayer Wood, CC BY-SA 4.0, via Wikimedia Commons

Only dinosaurs found in ireland described for the first time

Artist’s life reconstruction of adult and newly born Triassic ichthyosaurs Shonisaurus, 2022. Credit: Gabriel Ugueto.

Giant extinct marine reptile graveyard was likely ancient birthing grounds

How the shape of eggs can help explain the evolutionary history...

A look into the evolution of the eye

Scientists map the genetic evolution of dinoflagellates for the first time

Sixth mass extinction is here: species are disappearing faster since the...

lizard

Vellbergia bartholomaei : Tiny prehistoric lizard sheds light on reptile evolution

The structure of the trabecular, or spongy bone that forms in the interior of bones, is unique within dinosaurs, according to a recent study by SMU paleontologists and others.

Dinosaurs’ unique bone structure key to carrying weight

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