🇺🇸 United States

Genera found in this country (188)

188 genres

Grallator

251 Ma

Dinosaurs Ichnogenus 119 occ.

Camarasaurus

162 Ma

Dinosaurs Valid 104 occ.

Allosaurus

162 Ma

Dinosaurs Valid 98 occ.

Triceratops

84 Ma

Dinosaurs Valid 95 occ.

Paronychodon

155 Ma

Dinosaurs Valid 69 occ.

Stegosaurus

162 Ma

Dinosaurs Valid 66 occ.

Commemorating National Fossil Day 2026 – Amazing Discoveries from Earth’s Prehistoric Past!

Dinosauria fossil museum United States

Today (Wednesday 14th October), Everything Dinosaur joins fossil enthusiasts, scientists and museums in celebrating National Fossil Day 2026. This annual American-led event highlights the importance of fossils and the remarkable insights they provide into the history of life on Earth. Established in 2010 by the United States National Park Service, National Fossil Day encourages people

14/10/2026 everythingdinosaur

Peculiar New Species of Belemnite Unearthed in Wyoming

fossil new species United States

A new species of belemnite -- an extinct relative of today’s cuttlefish and squid -- has been identified from two bullet-shaped fossils found in Wyoming, the United States. The post Peculiar New Species of Belemnite Unearthed in Wyoming appeared first on Sci.News: Breaking Science News.

12/10/2026 sci-news

Un grand cratère caché sous une petite ville des États-Unis relance le mystère d'une catastrophe planétaire

United States

Un ancien cratère de 16 kilomètres de diamètre étudié au centre des États-Unis pourrait être la clé pour comprendre une catastrophe qui a décimé la vie sur Terre il y a des millions d'années.

11/10/2026 futura-terre

Dinosaur Models Shipped to the USA – Reliable, Fast and Easy

Dinosauria United Kingdom United States

Everything Dinosaur continues to send dinosaur models shipped to the USA supplying collectors across America. Indeed, the United States remains an important market for the UK-based company. Every day, parcels begin their journey across the Atlantic. Mike and Sue work hard to ensure orders are packed carefully and despatched quickly. American customers can choose from

04/09/2026 everythingdinosaur

Arundelconodon: Beast of the Week

Cretaceous Dinosauria Early Cretaceous mammals United States

 This week we will be looking at a unique mammal that lived alongside some of the largest dinosaurs!  Check out Arundelconodon hottoni.  Arundelconodon was a small mammal that lived in what is now Maryland, in the United States, during the early Cretaceous Period, about 115 million years ago, making it one of the oldest known mammals from the east coast of the US.  It is estimated to have measured about eight to ten inches (20-25cm) long from nose to tail, roughly the same size as a rat.  Based

31/08/2026 prehistoricbeastoftheweek

Tyrannosaurus rex Scavenged Duck-Billed Dinosaurs in Ancient Wyoming, Bite Marks Reveal

behavior bone Canardia Cretaceous Dinosauria +5

Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that Tyrannosaurus rex fed on the carcasses of a duck-billed dinosaur species called Edmontosaurus annectens. The post Tyrannosaurus rex Scavenged Duck-Billed Dinosaurs in Ancient Wyoming, Bite Marks Reveal appeared first on Sci.News: Breaking Science News.

16/07/2026 sci-news

Giant lava fountains filmed live: this Hawaiian volcano has already had 50 eruptive episodes in 18 months!

geology United States volcanism

Since the start of this eruption, on December 23, 2024, the activity has been episodic: pauses of one to three weeks separate phases of sustained activity of a few hours inside the summit caldera of the volcano. Fifty episodes followed one another in a year and a half,...

30/06/2026 futura-terre ⚙ traduction auto

Early Saber-Toothed Cat Gets New Face after Decades of Mystery

mammals paleoart Pliocene reconstitution skull +2

A nearly complete skull unearthed decades ago in Arizona has given paleontologists their clearest look yet at Adelphailurus kansensis, an enigmatic felid species that inhabited North America more than 5 million years ago and occupied an early branch of the saber-toothed cat family tree. The post Early Saber-Toothed Cat Gets New Face after Decades of Mystery appeared first on Sci.News: Breaking Science News.

29/06/2026 sci-news

Sauroposeidon: Beast of the Week

Cretaceous Dinosauria Early Cretaceous Sauroposeidon United States

 This week we will be checking out a huge dinosaur with an equally impressive name.  Enter Sauroposeidon proteles!Sauroposeidon was a sauropod dinosaur (long neck) that lived in what is now Oklahoma, Texas, and Wyoming, USA, during the early Cretaceous period, about 113 million years ago.  Its genus name translates to "Lizard Earthquake God" after the Greek god, Poseidon, who in addition to his more famous association with the ocean, was also the god of earthquakes in Greek mythology. Since not

14/06/2026 prehistoricbeastoftheweek

The 1,100-year-old mystery of Montana’s lost bison hunting site finally solved

Homo sapiens hunting mammals United States

For nearly 700 years, Indigenous hunters repeatedly used a bison kill site in central Montana—then suddenly stopped, even though bison were still abundant. Researchers uncovered evidence that recurring, decades-long droughts likely made the site less practical by reducing access to the water needed to process large numbers of animals. At the same time, hunting groups were shifting toward larger, more coordinated operations that required dependable resources and specialized locations.

11/06/2026 sciencedaily-fossils

Researchers have discovered enough lithium under these mountains to make 500 billion cell phones!

discovery United States

A vast discovery of lithium in Appalachia could reshuffle the cards for American supplies. At a time when demand is exploding, this strategic deposit revives the hope of greater independence for the United States from imports.

22/05/2026 futura-terre ⚙ traduction auto

New Triassic Carnivorous Dinosaur Identified from Ghost Ranch

Coelophysis Dinosauria fossil Late Triassic new species +5

Researchers from Virginia Tech (Virginia, USA) have identified a new species of Late Triassic dinosaur.  The dinosaur has been named Ptychotherates bucculentus.  This new carnivorous dinosaur taxon has been erected based on the detailed examination of an incomplete, well-preserved but jumbled up skull fossil (specimen number CM 31368).  The skull comes from the world-famous Coelophysis

11/05/2026 everythingdinosaur

Eubrontes

Dinosauria Eubrontes Jinlijingpus

Camarasaurus

Camarasauridae Camarasaurinae Camarasaurus

Spheroolithus

China Dinosauria fossil

Coelophysis

Allosauria bird Chinle

Shastasaurus

Euichthyosauria Late Triassic Merriamosauria

Dendroolithidae

China Dendroolithidae Dendroolithus

Anchisaurus

Ammosaurus Anchisauria Anchisauridae

Compsognathus

Compsognathia Compsognathinae United States

Thescelosaurus

museum Orodrominae Parksosauridae

museum skeleton Thescelosaurus

Barremian Berriasian description

Anhanguera museum skeleton

museum Plotosaurus skeleton

museum Plotosaurus United States

Anzu Chirostenotes skeleton

Anzu Chirostenotes skeleton

Alcobaça Argentina Chile

behavior Dinosauria Eubrontes

Australia Denver museum

Australia Denver museum

Argentina Australia Brazil

Lognkosauria

Argentinosauria Argentinosauridae Dinosauria

Ceratopsia Ceratopsidae Dinosauria

Nodosauridae

Acanthopholinae Edmontoniidae Edmontoniinae

Formations géologiques (30)

Morrison 1192 Hell Creek 738 Portland 302 Lance 294 Fruitland/Kirtland 258 Kirtland 224 Cloverly 223 Aguja 216 Cedar Mountain 209 Two Medicine 208 Judith River 165 Kayenta 121 Ferris 120 Chinle 111 Niobrara 111 Glen Rose Limestone 94 Ojo Alamo 93 Navajo Sandstone 86 Fruitland 81 Pierre Shale 73 East Berlin 63 Kaiparowits 54 Denver 52 Passaic 52 Turners Falls 52 Wayan 51 Javelina 49 Arundel Clay 47 North Horn 42 Oldman 1

Plage temporelle

Groupe géologique · Membre

Montana 688

Glen Canyon 313

Agawam 304

Dakota 265

Trinity 171

Colorado 145

Meriden 134

Chatham 87

Mesaverde 78

Monmouth 71

Potomac 71

Selma 52

Brushy Basin 395

Upper 162

Flag Butte 144

Alto Shale 128

Himes 125

Naashoibito 118

Lake Como 110

Mussentuchit 91

Smoky Hill Chalk 91

Silty Facies 76

Little Sheep Mudstone 76

De-na-zin 70

Environnements de dépôt

Principaux collecteurs

Activité de collecte par décennie