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The dimetrodon is a two part fossil that can be donated to the museum in Wild World, City Folk, New Leaf, New Horizons, and collected by Happy Home Handbook in Happy Home Designer. Prior to New Horizons, the dimetrodon was a three-part fossil. It can also be sold to Tom Nook's Store or Re-Tail for around 5,000 bells per section.

Donation to the museum[]

In Wild World[]

Upon completion of the dimetrodon exhibit at the museum in Wild World, Blathers will give the player some information about the creature.

"It lived early on, when dinosaurs first began roaming the earth, wot? And actually, to be quite accurate, it's not even a real dinosaur at all! As we know, dinosaurs were cold-blooded and could not change body temperature. But the dimetrodon could! It used its distinctive back to control heat! For this reason, it is considered what we call a "mammalian reptile," wot? Ah. Hoo. Yes, sorry. I got rather blabby, there. I got heated up, hoo!"

In City Folk[]

After donating all of the pieces of the dimetrodon to the museum in City Folk, Blathers will give the player information on the creature with the following dialogue.

"...And with that, the dimetrodon is complete! Hoo, what a spectacle! The dimetrodon was from a period early in the history of the dinosaurs, eh wot? In point of fact, it's not even a real dinosaur! That's because it could regulate body temperature, unlike other dinosaurs. The dimetrodon did so by using its distinctively shaped back... Indeed, and that is why it's considered what some call a 'mammalian reptile'!"

In New Leaf[]

In New Leaf, a plaque by the display offers information about the fossil instead of Blathers.

"Despite it's reptilian appearance, the dimetrodon was not actually a dinosaur, as you'd assume. It was, in fact, a mammal-like reptile that went extinct before the first dinosaurs appeared. It had knife-shaped teeth for slicing, as well as smaller ones for crushing. The large fan on its back was used to regulate body temperature - an important feature of the time."

In New Horizons[]

In New Horizons, after donating a piece of the dimetrodon fossil to the museum, Blathers will offer the following information.

"Ah, yes. Dimetrodon. Not actually a dinosaur, despite what...some people may tell you. This REPTILE—not dinosaur—is most famous for the large sail-like organ on its back. Said organ was likely useful in regulating its—non-dinosaur—body temperature. Reptiles are known to be cold-blooded, but there is some debate as to whether dinosaurs were too. Dimetrodon assuredly was."

It can be found in the southeast corner of the second fossil room, next to the juramaia. Despite its organization among dinosaurs in this room, dimetrodon is not classified as a dinosaur.

Blathers actually gives false information when asked about Dimetrodon. He says Dimetrodon is a reptile, but in reality Dimetrodon is a Synapsid, also known as a Proto-Mammal and are more closely related to mammals than reptiles.


As a furniture item[]

Name HRA Points Feng Shui Genre Size (sq)
Dimetrodon Skull 1,000 Brown (x2) Old School (WW)
Retro (CF)
Dimetrodon Tail 1,000 Brown (x2) Old School (WW)
Retro (CF)
Dimetrodon Torso 1,000 Brown (x2) Old School (WW)
Retro (CF)

Further information[]


A reconstruction of Dimetrodon grandis.

Main article: Dimetrodon on Wikipedia

Dimetrodon was a genus of synapsid (an animal more closely related to mammals than to reptiles or dinosaurs) that existed during the Early Permian period, about 295-272 million years ago. It predated dinosaurs by about 40 million years. The species in the Animal Crossing series is Dimetrodon grandis, which was first discovered in 1907, and its fossils have been found across modern-day Oklahoma and Texas. The function of its large sail has been the subject of heavy debate among paleontologists; the most popular theories are thermoregulation of its body heat, for stability while walking or swimming, camouflage while hunting, or for attracting mates.

In other languages[]

Language Name Translation
Japan Japanese ディメトロドン Dimetorodon -
France French Dimétrodon -
Spain Spanish Dimetrodonte -
Germany German Dimetrodon -
Italy Italian Dimetrodronte -
The Netherlands Dutch Dimetrodon -
Russia Russian Диметродон Dimetrodon -
China Chinese 异齿龙/異齒龍 yìchǐlóng -
South Korea Korean 디메트로돈 Dimeteurodon -

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Multi-part fossils
AnkylosaurusApatosaurusArchelonBrachiosaurusDeinonychusDimetrodonDiplodocusIchthyosaurIguanodonMammothMegaceropsMegalocerosOphthalmosaurusPachycephalosaurusParasaurolophusPlesiosaurPteranodonQuetzalcoatlusSabertooth tigerSeismosaurusSpinosaurusStegosaurusStyracosaurusTriceratopsTyrannosaurus rexVelociraptor
Stand-alone fossils
AcanthostegaAmberAmmoniteAnomalocarisArchaeopteryxAustralopithecusCoproliteDinosaur eggDinosaur trackDunkleosteusEusthenopteronFern fossilJuramaiaMyllokunmingiaPeking manShark toothShark-tooth patternTrilobite