Prehistoric Farm WIKI
In-game model capture of Guaibasaurus.
Captured game-model render.
2D capture

Verified in-game · Oct 2026

UncommonTriassic

Guaibasaurus

A primitive, unusual early dinosaur that happily ate a bit of everything.

Period
Triassic
Rarity
Uncommon
Habitat
Scrubland
Movement
Biped
DNA / Egg
3 fossils to make an egg
Weight
Random; shown on hatch
Acquire
Exchange a full fossil set at Dr. Ivy's DNA Lab
Contents

Growth Timeline

Growth time varies by rarity. Keep Belly above half for growth to continue.

Dinosaur growth time from hatching
StageElapsed time from hatchingRideableNotes
NewbornAt hatchingNo
Juvenile≈7 minNo
Subadult≈23.5 minYesRideable stage
Adult≈58.5 minYes
Elder≈2 h 8 minYes
Time between dinosaur growth stages
Stage reachedTime from previous stageRideableNotes
NewbornAt hatchingNo
Juvenile≈7 minNo
Subadult≈16.5 minYesRideable stage
Adult≈35 minYes
Elder≈70 minYes

Fossils & DNA

Triassic period dinosaurs require 3 fossils to obtain an egg. See Fossils & DNA for the general DNA Lab rule and island-size requirements.

Hatching

This dinosaur's eggs take ≈2 min 30 sec to hatch. Size is random and revealed when the egg hatches. Possible dinosaur sizes are Tiny, Small, Normal, Big, Giant, and Colossal. Tutorial eggs may hatch faster; see Eggs & Incubation.

Feeding

Belly over 50%Growth continuesBelly at or below 50%Growth stops
  • Meat12 coins eachMeat-eaters, sea creatures, and omnivores
  • Veggies8 coins eachPlant-eaters and omnivores
  • FishCaught while fishingCan feed meat-eating dinosaurs

Put food in the hotbar, approach a dinosaur on the ranch, and press F.

Growth & Feeding guide