Ancient Agile Aggressors

#???
Crocoboros (Swift Scale Pokemon)
[Rock/Dark]
Height : 1'1"
Weight : 8.2 lbs
Ability : Speed Boost
Evolution : None
Emerde Dex Info : This prehistoric pokemon would hold onto its own tail and roll for quick getaways. The pointed scutes on it's body make not only for good defense but also great traction when rolling.

#???
Ambuscator (Swift Scale Pokemon)
[Rock/Dark]
Height : 3'4"
Weight : 56.2 lbs
Ability : Speed Boost
Evolution : Crocoboros lvl 40
Emerde Dex Info : Despite its back plating, Ambuscator is incredibly fast. Charging headlong at its targets in order to knock them off balance before delivering the coup de grace.

Based on pristichampsus.