Order Lagomorpha

Question 1

O lagomorpha

Answer 1

2/1 evergrowing incisors, fenestrated skull,

Question 2

F leporidae

Answer 2

rostral part of maxilla fenestrated, supraorbital process present, 6 upper cheek teeth, saltatorial, herbivorous

Question 3

Sylvilagus floridanus

Answer 3

no black patch of fur between ears, postorbital processes broad and blunt fused with skull at distal end

Question 4

Sylvilagus transitionalis

Answer 4

black patch of fur between ears, postorbital processes narrow rapers free from skull at distal end

Question 5

Lepus americanus

Answer 5

brown

Question 6

F. Ochotonidae

Answer 6

5 upper cheek teeth, supraorbital process absent, bullae consists of spongy bone