🇲🇽 Mexico

Genera found in this country (19)

19 genres

Richardoestesia

155 Ma

Dinosaurs Valid 4 occ.

Spheroolithus

121 Ma

Dinosaurs Formal taxon 4 occ.

Caririchnium

101 Ma

Dinosaurs Ichnogenus Formal taxon 3 occ.

Albertosaurus

86 Ma

Dinosaurs Valid 2 occ.

Continuoolithus

101 Ma

Dinosaurs Formal taxon 2 occ.

Prismatoolithus

126 Ma

Dinosaurs Formal taxon 2 occ.

A New Genus of Troodontid Dinosaur from New Mexico

bone Campanian Cretaceous Dinevenator Dinosauria +6

Palaeontologists have named a new species of theropod dinosaur from New Mexico. The dinosaur, Dinevenator robustus, lived around 73 million years ago (Campanian faunal stage of the Late Cretaceous). Researchers identified the dinosaur from a fossil skull bone (a frontal) found in north-western New Mexico. It represents a new genus and species of troodontid. Troodontids

13/08/2026 everythingdinosaur

New Troodontid Dinosaur Genus Identified from Fossil Bone Found Decades Ago in New Mexico

bird bone Dinevenator Dinosauria fossil +2

Paleontologists have described a new genus of small, bird-like dinosaur that lived in what is now New Mexico approximately 73 million years ago. The post New Troodontid Dinosaur Genus Identified from Fossil Bone Found Decades Ago in New Mexico appeared first on Sci.News: Breaking Science News.

07/08/2026 sci-news

A forgotten fossil just revealed a new Triassic predator from 210 million years ago

fossil jaw Mexico predator prey +2

A fossil overlooked for nearly 80 years has revealed a previously unknown crocodile relative that lived 210 million years ago in what is now New Mexico. Named Eosphorosuchus lacrimosa, the jackal-sized predator had a reinforced skull, powerful jaw muscles, and a short snout built for tackling larger prey.

30/07/2026 sciencedaily

Flowering Plants Were Already Thriving before Dinosaur-Killing Asteroid Hit

Cretaceous Dinosauria extinction formation fossil +1

Fossils from the Jose Creek Formation in New Mexico reveal that angiosperms (flowering plants) had built dense, fruit-bearing forests nearly 75 million years ago -- nearly 9 million years before the end-Cretaceous mass extinction that killed the dinosaurs -- challenging a long-held evolutionary narrative about how they came to dominate the planet. The post Flowering Plants Were Already Thriving before Dinosaur-Killing Asteroid Hit appeared first on Sci.News: Breaking Science News.

29/06/2026 sci-news

New Species of Fossil Axolotl Unearthed in Mexico

discovery fossil Mexico new species specimen

Paleontologists have identified a new species of the axolotl genus Ambystoma from several fossilized specimens found deep in the rocky outcrops of the Mexican state of Hidalgo. The post New Species of Fossil Axolotl Unearthed in Mexico appeared first on Sci.News: Breaking Science News.

02/06/2026 sci-news

Toothless, Bipedal Crocodile Relative Lived in New Mexico 212 Million Years Ago

Mexico new species Triassic

Paleontologists have described a new species of bipedal shuvosaurid archosaur from New Mexico, shedding light on a group of creatures that roamed North America during the Triassic period, more than 200 million years ago. The post Toothless, Bipedal Crocodile Relative Lived in New Mexico 212 Million Years Ago appeared first on Sci.News: Breaking Science News.

27/05/2026 sci-news

Giant Tyrannosaur Fossil Found in New Mexico

Dinosauria fossil Mexico museum Tyrannosauridae +1

A large tyrannosaurid dinosaur may have stalked the floodplains of what is now New Mexico nearly 74 million years ago, according to a team of paleontologists from the University of Bath, Montana State University and the New Mexico Museum of Natural History and Science. The post Giant Tyrannosaur Fossil Found in New Mexico appeared first on Sci.News: Breaking Science News.

15/05/2026 sci-news

Mexidracon: Beast of the Week

Cretaceous Dinosauria Late Cretaceous Mexico

 This week we will be taking a look at a unusual theropod.  Check out Mexidracon longimanus!Mexidracon was a theropod dinosaur that lived in what is now Coahuila, Mexico, during the late Cretaceous period, about 72 million years ago.  From beak to tail it measured about 10 feet (3m) long.  Its genus name translates to "Mexican Dragon" and its species name to "long hand".  It may have been a plant-eater when alive or possibly eaten a mix of both plants and meat.  Mexidracon life reconstruction in

03/05/2026 prehistoricbeastoftheweek

Omnivorous, Rodent-Like Mammal Lived in Dinosaurs’ Shadow on Pacific Coast

Dinosauria fossil mammals Mexico new species

Paleontologists have descibed a new species of the multituberculate mammal genus Cimolodon based on a fossil found in Baja California, Mexico. The post Omnivorous, Rodent-Like Mammal Lived in Dinosaurs’ Shadow on Pacific Coast appeared first on Sci.News: Breaking Science News.

29/04/2026 sci-news

New Triassic Dinosaur Species Identified in New Mexico

Dinosauria Mexico new species skull Triassic +1

A new genus and species of carnivorous herrerasaurian dinosaur has been described from an incomplete but well-preserved skull found in northern New Mexico, the United States. The post New Triassic Dinosaur Species Identified in New Mexico appeared first on Sci.News: Breaking Science News.

17/04/2026 sci-news

Daemonosaurus: Beast of the Week

Daemonosaurus Dinosauria Late Triassic Mexico skull +2

 This week we will be checking out a unique looking early dinosaur with a very cool name.  Meet Daemonosaurus chaoliodus!Daemonosaurus was a small meat-eating dinosaur that lived in what is now New Mexico, United States, during the late Triassic period, roughly between 205 and 200 million years ago.  From nose to tail it is estimated to have measured roughly 5 to 7 feet (1.5-2.2m).  These are estimates based on the fact that only the skull and neck were found.  The genus name translates to "Demo

05/04/2026 prehistoricbeastoftheweek

Hesperosuchus: Beast of the Week

fossil Late Triassic Mexico skeleton Triassic +1

This week we will be checking out a relative of modern crocodilians that has tricked scientists multiple times!  Enter Hesperosuchus agilis!Hesperosuchus was a pseudosuchian (related to crocodilians) that lived in what is now Arizona and New Mexico, USA, during the late Triassic period, about 210 million years ago.  It would have been a meat-eater and from snout to tail the most complete skeleton measures about four feet (1.2m) but other fossils suggest it could have grown larger, up to about si

01/02/2026 prehistoricbeastoftheweek

Coelophysis

Chinle Coelophysidae Coelophysinae

Eudimorphodon

Eudimorphodon holotype Jurassic

Glyptodontopelta

armor Cretaceous Denver

Akainacephalus Cretaceous formation

Mexico Tyrannosauripodidae Tyrannosauripus

Coniacian Cretaceous Late Cretaceous

Aliwalia cast Coelophysis

Mexico skull Tlatolophus

Cretaceous Dinosauria formation

Dinosauria holotype Mexico

Campanian Fruitland holotype

Campanian Cretaceous formation

Campanian formation Kirtland

Danian drawing holotype

Ahshislepelta Ankylosauria Ankylosauridae

Nodocephalosaurus

Akainacephalus Cretaceous formation

Tyrannosauripodidae

Mexico Tyrannosauripodidae Tyrannosauripus

Muzquizopteryx

Coniacian Cretaceous Late Cretaceous

Coelophysoidea

Allosauria bird Chinle

Ornatops

Cretaceous Dinosauria formation

Ahshislepelta

Ahshislepelta Ankylosauria Ankylosauridae

Titanoceratops

Campanian Fruitland holotype

Tylocephale

Dinosauria holotype Mexico

Tlatolophus

Mexico skull Tlatolophus

Formations géologiques (3)

Cerro del Pueblo 151 Aguja 58 Javelina 2

Plage temporelle

Groupe géologique · Membre

Difunta 161

Cabullona 32

Navarro 16

Huizachal 6

Tecocoyunca 4

Bisbee 4

Austin 3

El Antimonio 2

Navarrao 2

Terlingua 1

El Disecado 22

El Diesacado 4

Sarten 4

Alto Shale 4

Vallecillo Platy Limestone 3

Middle 2

2 1

Upper 1

Environnements de dépôt

Principaux collecteurs

Activité de collecte par décennie