From Pathfinder Howl of the Wild, which isn't enabled.

Protoceratops

CREATURE 2

Though it lacks the distinctive horns of its larger relative the triceratops, the protoceratops is more than capable of holding its own in combat, using its tail to knock enemies to the ground and its sturdy frill to turn away blows.

Perception +9; low-light vision, scent (imprecise) 30 feet

Skills Athletics +8

Str +4, Dex +2, Con +3, Int -4, Wis +2, Cha +1

AC 17; Fort +11, Ref +8, Will +6

HP 30

Defensive Posture

The protoceratops tucks in its head and presents its sturdy frill, granting a +1 circumstance bonus to AC adjacent allies. The protoceratops remains in its Defensive Posture until the start of its next turn, but only grants the bonus while allies remain adjacent

Frill Block

Requirements The protoceratops is in its Defensive Posture

Trigger An adjacent ally would take damage from a physical attack

Effect The protoceratops partially blocks the blow with its frill, reducing the damage by 5.

Speed 25 feet

Melee Head +10, Damage 1d8+4 bludgeoning

Melee Tail +10 (agile), Damage 1d6+4 bludgeoning plus Knockdown

Pathfinder Howl of the WildORC