Page 105 - Ultimate Visual Dictionary (DK)

MARGINOCEPHALIANS 2

EXTERNAL FEATURES Eye EXAMPLES OF CERATOPSIA
OF PSITTACOSAURUS

Cheek horn
Scaly skin Beak
Claw PROTOCERATOPS
Thigh Group: Protoceratopsidae
Finger Length: 9 ft (2.7 m)
Elbow Forelimb

Knee
Claw

Toe
Ankle
Hind limb
STYRACOSAURUS
Group: Centrosaurinae
Parietosquamosal Tail Length: 18 ft (5.5 m)
frill

Brow horn
Cranium core
Orbit
TRICERATOPS
Group: Chasmosaurinae
Length: 30 ft (9.1 m)

Nose horn
core
Cervical
rib
Naris

Infratemporal
fenestra
PACHYRHINOSAURUS
Group: Centrosaurinae
Jugal bone
Length: 18 ft (5.5 m)
Tooth
Metacarpals Mandible
Rostral bone
Phalanges
Predentary
bone LEPTOCERATOPS
Group: Leptoceratopsidae
Length: 7 ft (2.1 m)
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