|Home world:||Planet Earth (Fireman universe)|
|First appearance:||Fireman episode 19: "The Space Monster vs The Primeval Monster"|
- Subtitle: Primitive Monster (原始怪獣, Genshi Kaijū?)
- Height: 110 m
- Weight: 30,000 t
- Origin: East Sea Bay
Makunozaurusu first appeared in Tokyo Bay. The SAF attacked but Makunozaurusu headed north, approaching Ashikaga village. MukuMuku, who arrived in the village from another planet battled the kaiju. Fireman came and worked together with MukuMuku while dodging Makunosarus' flame attacks. In the end the beast was defeat by the fire dash.
Powers and Abilities
- Fire Breath: Makunosaurous can breathe fire.
|Fireman Kaiju & Seijin|
|Dorigorus | Dorigon | Stegorus | Alien Meteor | Jurasairous | Planet Gomerus | Spacer | Kinokurages | Twin Tail | Kumagorus | Gudon | Stegorus II | Nerogiras | Alien Baranda | Baranda V | Scoradon | Alien Barogu | Terasaurous | Dorango | Chiranodan | Lanosaurus | Terasaurous II | Long Neck | Alien Sulpher | King Zauras | King Zauras II | MukuMuku | Makurosaurous | Gagango | Double God | Death Torosaurus | Alien Green | Green Giller | Haromongan | Destrosaurous | Alien Virenus | Gadorasaurous | Blacker | Black Satan | Alien Emusa | Bemutan | Devilsaurus | Bemusa King | Speguzu | Speguzu Jr. | Dark Mander | Planetship X|