Tambatitanis

Say it like this: “TAM-buh-TIE-tan-is”

Tambatitanis amicitiae

Tambatitanis ate plants and walked on four legs. It lived in the Early Cretaceous. Bones have been found in Japan.

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When: Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
Named in: 2014 · Saegusa, H.; Ikeda, T.
Hip height: 2.7 m · 9 ft
Length: 18 m · 59 ft
Weight: 8 tonnes
Found in: Japan · Ohyamashimo
Food and walking: Herbivore · Four legs
Kind: long-neck giant · Sauropod
Family branch: Somphospondyli

The story in short

Tambatitanis was formally named in 2014 by H. Saegusa and T. Ikeda. The name means “tamba giant.”

It lived in the Early Cretaceous (Albian), roughly 113.2 to 100.5 million years ago. Finds come from Japan, including the Ohyamashimo Formation. It was a herbivore and walked on four legs.

Published estimates put Tambatitanis at a length near 18 m, hips about 2.7 m high, and a body mass around 8 tonnes.

On the family tree it sits in Somphospondyli, among the sauropod dinosaurs.

Close relatives

Abdarainurus

Abdarainurus barsboldi

Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago

Angolatitan

Angolatitan adamastor

Late Cretaceous (Coniacian) · roughly 89.8 to 85.7 million years ago

Arkharavia

Arkharavia heterocoelica

Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago