Segnosaurus

Field photograph to come

DV-0258Baynshire Fm., Mongolia

Segnosaurus

DV-0258 · type species Segnosaurus galbinensis

Lived
101 to 84 million years ago, Late Cretaceous
Diet
Herbivore
Length
estimates range from 4 to 7 m (13 to 23 ft)
Group
Theropods, Therizinosauridae
Found in
Mongolia and Japan
Named by
Perle 1979

Field notes

About Segnosaurus

Segnosaurus was a plant-eating theropod that lived in the Late Cretaceous, 101 to 84 million years ago. It belongs to the family Therizinosauridae.

The Paleobiology Database lists 5 finds of Segnosaurus, from Mongolia and Japan. Its fossils come from rocks including the Baynshire Formation and the Jobu Formation. It was named by Perle in 1979.

The evidence

Where its fossils were found

Today

5 finds

90 million years ago

Map: C. R. Scotese, PALEOMAP

Lived alongside

Found in the same rock formations.

Close relatives

Other members of Therizinosauridae.

Sources: Paleobiology Database, WikidataNamed in: A. Perle. 1979. Segnosauridae - novoe semeistvo teropod is posdnego mela Mongolii [Segnosauridae - a new family of theropods from the Late Cretaceous of Mongolia]. Trudy - Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 8:45-55