From Pathfinder #154: Siege of the Dinosaurs, which isn't enabled.

Spiked Barricade Trap

HAZARD 13

Stealth +22 (expert)

Description Spring-loaded wedges of sharpened stone pop out of the wooden barricade.

Disable DC 33 Thievery (expert) to suppress the spring mechanism for one 5-foot segment of the barricade

AC 34; Fort +26, Ref +18

Hardness 22, HP 88 (BT 44); Immunities critical hits, precision; Weaknesses fire 10

Spike Jab (attack)

Trigger A creature enters the area adjacent to a barrier

Effect Wedges of sharpened stone extend from the barricade in all directions and attack all creatures within 10 feet.

Melee Spike +31 (reach 10), Damage 6d12+24 slashing

No multiple attack penalty

Reset The trap must be manually reset by pushing the wedges back into place.

Pathfinder #154: Siege of the DinosaursOGL