Kyouryuu Shoujo Gauko
English name: Dino Girl Gauko
Genres: Comedy
Type: ONA, Episodes: 20
Aired: Nov 22, 2019
Studio: Ascension
Source: Original
Rating: G - All Ages
Synopsis:
The comedy series is set in Japan and follows Naoko Watanabe, a typical tween girl aside from the fact that she possesses strange and sometimes troubling powers. When her anger exceeds a maximum level, she turns into Gauko, the fire-breathing dinosaur girl. 

(Source: Variety)