Q 01/05

What does the name Stegosaurus mean?

A) Thunder lizard

B) Spike lizard

C) Slow lizard

D) Roof lizard

Answer · why

D) Roof lizard

Roof lizard: Marsh pictured the plates lying flat over the back like roof tiles, and only later finds showed that they stood on edge.

Q 02/05

Stegosaurus lived during which period?

A) Late Jurassic

B) Late Cretaceous

C) Triassic

D) Early Cretaceous

Answer · why

A) Late Jurassic

Late Jurassic: Stegosaurus was gone almost 80 million years before Tyrannosaurus rex appeared, so the two never met outside cartoons, and T. rex lived...

Q 03/05

Besides the western United States, Stegosaurus fossils have been found in which European country?

A) Germany

B) England

C) Portugal

D) Spain

Answer · why

C) Portugal

Portugal: a partial skeleton described in 2007 was the first sure Stegosaurus outside North America, evidence that land corridors at times linked Iber...

Q 04/05

Grass had not yet evolved when Stegosaurus lived, so what did it most likely browse on?

A) Roots and tubers

B) Ferns and cycads

C) Flowering shrubs

D) Seaweed and algae

Answer · why

B) Ferns and cycads

Ferns and cycads: the oldest known grass fossils are over 30 million years younger than the last Stegosaurus, so this low browser cropped ferns, cycad...

Q 05/05

Which group of dinosaurs are the closest relatives of Stegosaurus and its fellow stegosaurs?

A) Ceratopsians

B) Hadrosaurs

C) Ankylosaurs

D) Sauropods

Answer · why

C) Ankylosaurs

Ankylosaurs: the club-tailed tanks and the stegosaurs both descend from smaller armoured dinosaurs such as Scelidosaurus, but the stegosaurs lost thei...