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The Primogenitor Minosaur is a primogenitor-themed Minosaur created by the Druidon Tribe from the negative emotion of Yuno, and is the minor antagonist in 2019 movie called Kishiryu Sentai Ryusoulger The Movie: Time Slip! Dinosaur Panic!!.
The Primogenitor Minosaur made its first appearance in the present when the ryusoulgers and its host were on the roof of a building and it sends the group back in time to the time when dinosaurs ruled the earth.
It appeared the 2nd time in the past where it send the host and the RyuSoulgers back to the present.
Speaking of which back in the present this minosaur has done some damage to the city with its power, so in order to get back to the past and defeat Valma they need to destroy the Primogenitor Minosaur which they did by using its 2nd finisher as the five knights infinity break during the giant battle, but in a last ditch effort before being destroyed the Minosaur sends the Ryusoulger and its host back to the past.