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Plateosaurus (Dinosaur)

DataBase Center for Life Science (DBCLS), Plateosaurus
DataBase Center for Life Science (DBCLS)

A herbivore that generally moves about on all fours. They travel in herds that migrate from feeding ground to feeding ground and are common prey for larger carnivores.

Originally Posted by Shade of the En World forums.  
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This creature has a powerful tail, a long neck, and broad claws on its front legs. Plateosaurs are one of the largest and most advanced forms of prosauropods, the primitive cousins of such giants as the seismosaurus. A plateosaurus is about 30 feet long, although specimens as long as 40 feet have been reported. They live in large herds, browsing on low-lying vegetation. They can and do rear up on their hind legs in order to reach tall branches, and in order to defend themselves.

Dinosaur, Plateosaurus
Huge animal
Hit Dice8d8+40 (76 hp)
Speed30 ft. (6 squares)
Armor Class14 (-2 size, +6 natural), touch 8, flat-footed 14
Base Attack/Grapple+6/+20
AttackClaw +10 melee (2d6+6)
Full Attack2 claws +10 melee (2d6+6) and tail slam +8 melee (2d8+3)
Space/Reach15 ft./10 ft.
Special AttacksTrample 2d12+9
Special QualitiesLow-Light Vision, Scent
SavesFort +12, Ref +6, Will +3
AbilitiesStrength 22, Dexterity 11, Constitution 18, Intelligence 1, Wisdom 13, Charisma 7
SkillsListen +8, Spot +9
FeatsAlertness, Great Fortitude, Multiattack
EnvironmentWarm deserts and forests
OrganizationSolitary, pair or herd (5-20)
Challenge Rating5
AlignmentAlways neutral
Advancement9-16 HD (Huge), 17-24 HD (Gargantuan)
Level Adjustment


A plateosaurus will usually try to trample its opponent before staying to fight, but if cornered or surrounded rears up on its hind legs and fights with its claws and powerful tail.

Trample (Ex): A plateosaurus can literally run over any creatures in its way that are of Large or smaller size. Creatures trampled must make a Reflex save (DC 20 half) or take 2d12+9 damage. The save DC is Strength-based.

Originally appeared in Monster Manual (1977).

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