Glacialisaurus

Say it like this: “glay-see-al-eye-sor-us”

Glacialisaurus hammeri

Glacialisaurus ate plants and walked on two legs. It lived in the Early Jurassic. Bones have been found in Antarctica.

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When: Early Jurassic (Sinemurian · Pliensbachian) · roughly 199.5 to 184.2 million years ago
Named in: 2007 · Smith, N. D.; Pol, D.
Hip height: 1.6 m · 5 ft
Length: 6.2 m · 20 ft
Weight: 600 kg · 1,323 lb
Found in: Antarctica · Hanson
Food and walking: Herbivore · Two legs
Kind: early long-neck · Sauropodomorph
Family branch: Massospondylidae

The story in short

The genus Glacialisaurus dates to 2007, the year N. D. Smith and D. Pol described it. The name means “icy lizard.”

It lived in the Early Jurassic (Sinemurian · Pliensbachian), roughly 199.5 to 184.2 million years ago. Finds come from Antarctica, including the Hanson Formation. It was a herbivore and walked on two legs.

Published estimates put Glacialisaurus at a length near 6.2 m, hips about 1.6 m high, and a body mass around 600 kg.

On the family tree it sits in Massospondylidae, among the early long-necked dinosaurs.

Close relatives

Adeopapposaurus

Adeopapposaurus mognai

Early Jurassic (Hettangian–Toarcian) · roughly 201.4 to 174.7 million years ago

Coloradisaurus

Coloradisaurus brevis

Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago

Fulengia

Fulengia youngi

Early Jurassic (Sinemurian) · roughly 199.5 to 192.9 million years ago