Dinosaurs and other fossils found in Massachusetts
The Paleobiology Database records 498 fossil occurrences of 76 genera in Massachusetts, United States, including 11 dinosaur genera. Every fossil site is shown on the map; colours show the main group found there. States are as recorded by the Paleobiology Database for each fossil collection.
Dots are fossil collections in the Paleobiology Database on today’s map, merged where closer than about 5 km. See them on the ancient Earth →
What dinosaurs have been found in Massachusetts?
The Paleobiology Database records 11 dinosaur genera from Massachusetts. Those with the most fossil records there are Eubrontes, Anomoepus, Coelophysis.
Dinosaurs found in Massachusetts (11 genera)
Eubrontes, Anomoepus, Coelophysis and 8 more genera without a page here: Anchisauripus, Anchisaurus, Grallator, Kayentapus, Otozoum, Plectropus, Sauropus, Selenichnus.
Prehistoric birds (2 genera)
2 more genera recorded.
Pterosaurs (1 genera)
1 more genera recorded.
Crocodile relatives (2 genera)
2 more genera recorded.
Early tetrapods & amphibians (2 genera)
2 more genera recorded.
Ice Age & later mammals (17 genera)
Mammuthus, Odocoileus, Homo, Castor, Vulpes, Felis, Mammut, Balaenoptera, Neogale, Odobenus · 7 more genera recorded.
Ediacaran & Cambrian life (41 genera)
41 more genera recorded.
Fossil occurrences: Paleobiology Database (CC0 as reported by the API; CC BY 4.0 policy), downloaded 23 October 2026. Genus pages quote Wikipedia (CC BY-SA 4.0).