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Creatures in "Dinosaur" Category

NameCR
Allosaurus7
Ankylosaurus6
Brachiosaurus10
Ceratosaurus5
Compsognathus1/2
Deinonychus3
Dimetrodon3
Dimorphodon1
Diplodocus12
Elasmosaurus7
Iguanodon6
Pachycephalosaurus4
Parasaurolophus4
Plesiosaurus2
Pteranodon3
Spinosaurus11
Stegosaurus7
Styracosaurus5
Therizinosaurus10
Triceratops8
Troodon1
Tylosaurus8
Tyrannosaurus9
Velociraptor2

Dinosaur, Plesiosaurus

This streamlined reptile has a long, serpentine neck, at the end of which glares a many-fanged head.

Plesiosaurus CR 2

Source Bestiary 5 pg. 83
XP 600
N Large animal
Init +7; Senses Keen Scent, low-light vision, scent; Perception +6

Defense

AC 14, touch 13, flat-footed 10 (+3 Dex, +1 Dodge, +1 natural, -1 size)
hp 19 (3d8+6)
Fort +5, Ref +6, Will +3

Offense

Speed 5 ft., swim 60 ft.
Melee bite +5 (2d6+6 plus 1 bleed)
Space 10 ft., Reach 10 ft.
Special Attacks ambush attack +1d6, bleed (1)

Statistics

Str 18, Dex 17, Con 14, Int 2, Wis 15, Cha 9
Base Atk +2; CMB +7; CMD 21
Feats Dodge, Improved Initiative
Skills Perception +6, Stealth +7, Swim +16; Racial Modifiers +4 Stealth

Ecology

Environment temperate or warm swamps or water
Organization solitary, pair, or school (3-7)
Treasure none

Special Abilities

Ambush Attack (Ex) If a plesiosaurus successfully hits a foe with its bite attack in the surprise round, it inflicts an additional 1d6 points of damage and threatens a critical hit on an 18-20. The additional damage from the ambush attack itself is precision damage and is not multiplied on a successful critical hit.

While not technically a dinosaur, the plesiosaurus is often found in waterways and swamps where dinosaurs and other megafauna are common. Long-necked and swift, these ambush predators prefer to dart in, bite a foe, and then swim away to hide while they wait for their victim to bleed out before swimming back to feed. Numerous species of this creature exist, from marsh-dwelling varieties to creatures that spend their entire lives at sea.

A plesiosaurus measures 11 feet long, though nearly half of this length is neck, and weighs 1,000 pounds.