ICHTHYOSAUR TRIASSIC FISH-LIKE BODY, AVERAGE MARINE [Illustration]
TO HEAD LONG AND LENGTH = _ICHTHYOSAURUS-J_
CRETACEOUS POINTED, NO 7′
DISTINCT NECK MAXIMUM
LENGTH =
43′
MOSASAUR CRETACEOUS LIZARD-LIKE AVERAGE MARINE [Illustration]
BODY, FLATTENED LENGTH = _PYLOSAURUS_
TAIL, 15′-20′
DOUBLE-JOINTED MAXIMUM
JAW, RECURVED LENGTH =
TEETH 50′
PLESIOSAUR TRIASSIC LONG NECK AND MAXIMUM MARINE [Illustration]
TO SMALL HEAD OR LENGTH = _ELASMOSAURUS-K_
CRETACEOUS LONG HEAD AND 50′ _TRINACROMERUM-K_
SHORT NECK,
POWERFUL FLIPPERS
CHELONIA TRIASSIC SHAPED LIKE MAXIMUM MARINE, [Illustration]
(TURTLES) TO PRESENT MODERN TURTLES, SIZE = STREAMS, _ARCHELON-K_
BODY COVERED 11′ × 12′ AND
WITH BONY PLATES TERRESTRIAL
PHYTOSAUR TRIASSIC CROCODILE-LIKE MAXIMUM STREAMS [Illustration]
BODY, NOSTRILS LENGTH = AND SWAMPS _RUTIODON_
ON A “HUMP” 25′
ALMOST BETWEEN
THE EYES
[Illustration: Plate 40]
PELYCOSAUR × ¹/₁₂
DIMETRODON
PRIMITIVE AMPHIBIAN × ¹/₂₀
ERYOPS
COTYLOSAUR
SEYMOURIA × ⅕
[Illustration: Plate 41
SWIMMING REPTILES]
ICHTHYOSAUR × ¹/₁₂₀
MOSASAUR × ¹/₆₀
PLESIOSAUR × ¹/₆₀
[Illustration: Plate 42]
[Illustration: CROCODILE-LIKE REPTILE
× ¹/₅₀
PHYTOSAUR]
[Illustration: FLYING DINOSAURS]
RHAMPHORHYNCHUS × ⅙
PTERANODON × ¹/₄₀