New Mexico Museum of Natural History and Science

 

Animals of Triassic New Mexico

Below are some of the fossils featured in the Dawn of the Dinosaurs exhibit.


Lungfish burrow

5 feet/1.5 meters long

Early Devonian to Present (400 million years ago to now)


Erythrosuchian
Early archosaur
ee-rith-row-SOOK-ee-un
11.5 feet/3.5 meters long
Meat Eater
Middle Triassic (245 million years ago)

Adelobasileus cromptoni
First mammal
uh-DELL-oh-ba-sill-ee-us KROMP-ton-eye
4.7 inches/.12 meters long
Meat Eater
Late Triassic (225 million years ago)

Coelophysis bauri
Early dinosaur
see-low-FY-sis BOW-rye
9.8 feet/3 meters long
Meat Eater
Late Triassic (205-210 million years ago)

Typothorax coccinarum
Aetosaur
tie-po-THOR-ax cox-in-AHR-um
8.2 feet/2.5 meters long
Plant Eater
Late Triassic (215-205 million years ago)

Placerias hesternus
Dicynodont
plu-SAYR-ee-us hess-TERN-us
9.5 feet/2.9 meters long
Plant Eater
Late Triassic (220 million years ago)

Redondasaurus
Phytosaur
ruh-don-duh-SORE-us
21 feet/6.4 meters long
Meat Eater
Late Triassic (205 million years ago)

Pseudopalatus buceros
Female and Male Phytosaurs
SOO-do-pa-LAY-tus byoo-SAIR-os
9.8-13.1 feet/3-4 meters long
Meat Eater
Late Triassic (205 million years ago)

Trilophosaurus jacobsi
Early archosaur
tri-low-fo-SORE-us JAY-cubs-eye
5.5 feet/1.7 meters long
Meat Eater
Late Triassic (225-210 million years ago)

Buettneria perfecta
Early amphibian - Adult and Juvenile
butte-NAYR-ee-uh per-FECT-uh
6.9 feet/2.1 meters long
Meat Eater
Late Triassic (220-205 million year ago)