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Pathfinder Reference Document

Dinosaur, Dimetrodon

The massive sail on the back of this squat reptilian creature flexes and twitches as the beast stalks forward.

Dimetrodon CR 3

XP 800

N Large animal

Init +6; Senses low-light vision, scent; Perception +6

Defense

AC 14, touch 11, flat-footed 12 (+2 Dex, +3 natural, –1 size)

hp 34 (4d8+16)

Fort +8, Ref +6, Will +2

Offense

Speed 30 ft.

Melee bite +8 (1d8+7/19–20)

Space 10 ft.; Reach 5 ft.

Special Attacks tearing bite

Statistics

Str 20, Dex 15, Con 18, Int 1, Wis 12, Cha 3

Base Atk +3; CMB +9; CMD 21 (25 vs. trip)

Feats Improved Initiative, Weapon Focus (bite)

Skills Perception +6, Stealth +3

Ecology

Environment warm forests

Organization solitary, pair, or pack (3–12)

Treasure none

Special Abilities

Tearing Bite (Ex) A dimetrodon's jaws are filled with razor-sharp teeth of two different sizes. This gives the creature a threat range of 19–20 with its bite attack.

A dimetrodon is a quadrupedal reptile similar in shape to a crocodile, but with a blunter snout filled with jagged, sharp teeth. Its most distinguishing feature is the massive sail that runs the length of its back. By extending or contracting the fin, the cold-blooded reptile can control its body temperature with ease. While they are not technically dinosaurs, dimetrodons are still often found dwelling in regions inhabited by such creatures.

A fully grown adult dimetrodon can reach a length of up to 15 feet and weigh upward of 2,000 pounds.

Dinosaur, Iguanodon

This dinosaur seems comfortable on two legs or four. Its front limbs are each adorned with a cruel-looking, thumblike spike.

Iguanodon CR 6

XP 2,400

N Huge animal

Init +2; Senses low-light vision, scent; Perception +12

Defense

AC 19, touch 10, flat-footed 17 (+2 Dex, +9 natural, –2 size)

hp 76 (9d8+36)

Fort +10, Ref +8, Will +4

Offense

Speed 30 ft.

Melee 2 claws +13 (1d8+8/×3)

Space 15 ft.; Reach 15 ft.

Special Attacks thumb spikes

Statistics

Str 27, Dex 14, Con 19, Int 2, Wis 12, Cha 7

Base Atk +6; CMB +16; CMD 28 (32 vs. trip)

Feats Power Attack, Run, Skill Focus (Perception), Skill Focus (Stealth), Weapon Focus (claw)

Skills Perception +12, Stealth +4

Ecology

Environment warm forests or swamps

Organization solitary, pair, or pack (3–6)

Treasure none

Special Abilities

Thumb Spikes (Ex) An iguanodon's thumb spikes can inflict grievous wounds—they deal triple damage on a successful critical hit.

Iguanodons are large, herbivorous dinosaurs that inhabit swamps and forests where they can take advantage of abundant vegetation. The iguanodon is capable of moving on two feet or on four, quickly switching from one stance to the other, depending on whether it needs to move through dense foliage or to reach delectable morsels hanging up in the canopy.

Although iguanodons are herbivores, they are notoriously quick to anger. Their thumb spikes make their claws particularly devastating weapons—a well-placed blow from one of these claws can turn a hungry predator into a cowering beast with one swift strike. Iguanodons are 30 feet long and weigh 6,000 pounds.

Dinosaur, Pachycephalosaurus

This bipedal reptile has a rounded, dome-like head adorned with bony frills and ridges.

Pachycephalosaurus CR 4

XP 1,200

N Large animal

Init +2; Senses low-light vision, scent; Perception +8

Defense

AC 17, touch 11, flat-footed 15 (+2 Dex, +6 natural, –1 size)

hp 37 (5d8+15)

Fort +7, Ref +6, Will +2

Offense

Speed 40 ft.

Melee slam +8 (2d6+9)

Space 10 ft.; Reach 10 ft.

Special Attacks clobbering charge

Statistics

Str 22, Dex 15, Con 17, Int 2, Wis 12, Cha 5

Base Atk +3; CMB +10 (+12 bull rush); CMD 22 (24 bull rush)

Feats Improved Bull Rush, Power Attack, Run

Skills Perception +8, Stealth +2

Ecology

Environment warm or temperate plains

Organization solitary or pair

Treasure none

Special Abilities

Clobbering Charge (Ex) When a pachycephalosaurus hits a target with its slam attack at the end of a charge, it can initiate a bull rush as a free action to move the struck target back in the same direction as the dinosaur's charge. The pachycephalosaurus cannot move with the target of the bull rush. If a pachycephalosaurus scores a critical hit against a creature with its slam attack at the end of a charge, it also staggers the target for 1 round. If the victim succeeds at a DC 18 Fortitude save, the stagger effect is negated, but the victim still suffers the effects of the dinosaur's bull rush attempt. The save DC is Strength-based.

A pachycephalosaurus is a normally peaceful dinosaur that grows irate and violent during mating season or when its herd is intruded upon by potential predators. The dinosaur's skull has a distinctive dome-shaped crown surrounded by numerous bony horns—this, combined with the dinosaur's powerful, compact neck, allows it to make battering-ram-like charges capable of inflicting great damage.

Pachycephalosauruses grow to a length of 15 feet and weigh 1,400 pounds.

Dinosaur, Spinosaurus

This titanic saurian has a crocodilian snout, powerful front claws, and a colorful sail-like ridge that runs down its back.

Spinosaurus CR 11

XP 12,800

N Gargantuan animal

Init +6; Senses low-light vision, scent; Perception +25

Defense

AC 24, touch 8, flat-footed 22 (+2 Dex, +16 natural, –4 size)

hp 170 (20d8+80)

Fort +16, Ref +16, Will +9

Offense

Speed 40 ft., swim 30 ft.

Melee bite +23 (2d8+12/19–20 plus grab), 2 claws +23 (2d6+12)

Space 20 ft.; Reach 20 ft.

Special Attacks pounce, swallow whole (2d8+12, AC 18, 17 hp)

Statistics

Str 34, Dex 15, Con 18, Int 2, Wis 13, Cha 13

Base Atk +15; CMB +31 (+35 grapple); CMD 43

Feats Critical Focus, Diehard, Endurance, Improved Critical (bite), Improved Initiative, Iron Will, Lightning Reflexes, Run, Skill Focus (Perception), Staggering Critical

Skills Perception +25, Swim +28

SQ hold breath

Ecology

Environment warm forests or swamps

Organization solitary, pair, or pack (3–6)

Treasure none

Larger even than the tyrannosaurus, the spinosaurus is 60 feet long and weighs 25,000 pounds or more. It hunts primarily along coastal and river shorelines.