Elemgasem

Elemgasem nubilus

Elemgasem ate meat and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Argentina.

When: Late Cretaceous (Turonian · Coniacian) · roughly 93.9 to 85.7 million years ago
Named in: 2022 · Baiano, M. A.; Pol, D.; Bellardini, F.; Windholz, G. J.; Cerda, I. A.; Garrido, A. C.; Coria, R. A.
Hip height: 1.5 m · 5 ft
Length: 3.6 m · 12 ft
Weight: 250 kg · 551 lb
Found in: Argentina · Portezuelo
Food and walking: Carnivore · Two legs
Kind: sharp-clawed runner · Theropod
Family branch: Brachyrostra

The story in short

Elemgasem was formally named in 2022 by M. A. Baiano and colleagues. The name honors a person tied to the fossil or its study.

Fossils referred to Elemgasem date to the Late Cretaceous (Turonian · Coniacian), roughly 93.9 to 85.7 million years ago. Finds come from Argentina, including the Portezuelo Formation. It was a carnivore and walked on two legs.

Published estimates put Elemgasem at a length near 3.6 m, hips about 1.5 m high, and a body mass around 250 kg.

On the family tree it sits in Brachyrostra, among the theropod dinosaurs.

Close relatives

Ekrixinatosaurus

Ekrixinatosaurus novasi

Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago

Guemesia

Guemesia ochoai

Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago

Ilokelesia

Ilokelesia aguadagrandensis

Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago