Tyrannosaur Family Tree Flashcards

Flashcards about the Tyrannosaur Family Tree

Some members of the tyrannosaur family tree are __.

Guanlong, Dilong, Yutyrannus, Daspletosaurus, Gorgosaurus, Albertosaurus, Tarbosaurus

An example of a non-tetanuran is __.

Carnotaurus

An example of a non-coelurosaur tetanuran is __.

Baryonyx

Coelurosaurs inherited the following evolutionary novelties: __.

Furcula and a large, complicated air sac system

An early member of tyrannosauroidea is __.

Guanlong

Tyrannosauridae are characterized by __.

Reduction in forelimb size and reduction in digits from 3 to 2

Early members of both the proceratosauridae & the lineage that leads to the tyrannosauridae show a body covering of __.

Protofeathers

__ existed during this period.

Western Interior Seaway

Guanlong means __.

Crowned Dragon

Guanlong is __.

An early proceratosaurid that lived in China 160 Ma

Guanlong was discovered and named by Chinese paleontologist __.

Xu Xing

Dilong means __.

Emperor Dragon

Dilong was discovered with preservation of a __.

Feathered integument

Yutyrannus means __.

Feathered Tyrant

Yutyrannus had a __.

Shaggy coat of long proto-feathers

Tyrannosaurids are divided into a __.

Gracile branch and robust branch

75 million years ago, western North America was inhabited by two tyrannosaurids: __.

Daspletosaurus and Gorgosaurus

Daspletosaurus means __.

Frightful Lizard

Gorgosaurus means __.

Fierce Lizard

Albertosaurus means __.

Alberta Lizard

Tarbosaurus means __.

Alarming Lizard

Tarbosaurus has a __.

Narrow skull and shorter forelimbs

__ belongs to the Proceratosauridae family.

Guanlong

__ is a fossil site from the Early Cretaceous period in China.

The Yixian Formation