Look up · dinosaur 596 of 1,425
early long-neck
Ignavusaurus
Say it like this: “ig-NAY-vu-SOR-us”
Ignavusaurus rachelis
Ignavusaurus ate plants and walked on two legs. It lived in the Early Jurassic. Bones have been found in Lesotho.
- When
- Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
- Named in
- 2010 · Knoll, F.
- Hip height
- 1 m · 3 ft
- Length
- 1.5 m · 5 ft
- Weight
- 23 kg · 51 lb
- Found in
- Lesotho · Elliot
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Massopoda
The story in short
The genus Ignavusaurus dates to 2010, the year F. Knoll described it. The name means “the place of the father of the coward.”
It lived in the Early Jurassic (Hettangian · Sinemurian), roughly 201.4 to 192.9 million years ago. Finds come from Lesotho, including the Elliot Formation. It was a herbivore and walked on two legs.
Published estimates put Ignavusaurus at a length near 1.5 m, hips about 1 m high, and a body mass around 23 kg.
On the family tree it sits in Massopoda, among the early long-necked dinosaurs.
Close relatives
Kholumolumo
Kholumolumo ellenbergerorum
Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago
Sarahsaurus
Sarahsaurus aurifontanalis
Early Jurassic (Sinemurian · Pliensbachian) · roughly 199.5 to 184.2 million years ago
Wudingloong
Wudingloong wui
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago