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The Mummy Minosaur is a mummy-themed Minosaur created by the Druidon Tribe from the negative emotions of Mioko Karino, the Prime Minister of Japan who was a member of the Ryusoul Tribe, based on her desire to die alongside her aging human lover Keisuke Onoda and is the main antagonist in episode 13 of the 2019 TV series Kishiryu Sentai Ryusoulger.
The Mummy Minosaur made its first appearance right where Kureon and Wizeru is about to transform part of the parking lot to be the Druidon's hideout however unknown to the two the Mummy Minosaur used one of its ability on Kureon making her to tell the truth to Wizeru. Once they spot the intruder the Mummy Minosaur dodge Wizeru's attack and retreats to the outside.
A while later the Mummy Minosaur used its ability on the couple causing the two break up from each other. However it was then spotted by Bamba and Towa, so it has no other choice, but to battle them. During the fight the Mummy Minosaur fired its beam on Towa causing him to tell the truth after that he fired his bandages on them followed by a jolt attack to knock them out of their transformation and once it was done the Mummy Minosaur teleported away.
Then it appeared once again destroying the building, but it was stopped by the arrival of the rest of the Ryusoulgers, so it battled the team. During the fight it fired its beam onto Asuna causing her to tell the truth to Melt.
And thanks to Bamba for doubting her it caused her to produce more negative emotion for the Mummy Minosaur making it grow to giant size. However before Koh get the chance to bring out KishiRyuOh DimeVolcano the Mummy Minosaur fired its beam on the two dinosaurs causing them to tell the truth however that didn't stop them, so without other options the Mummy Minosaur began fighting this robot, but however since it saw fire from the bot it decides to run away instead of battling it. So they used the gas canister and tossed it at the Minosaur making it stop in its tracks before it gets the chance to run away Koh open fired on the canister setting the Mummy Minosaur's bandage on fire. After that it was then destroyed by this finisher called Volcano Slash.
- Due to an error on episode 35 the image from TV Asahi website shows the Mummy Minosaur and Pan Minosaur were shown fighting Bamba.