Genus: Ampelognathus TYKOSKI, CONTREAS & NOTO, 2023
Etymology: Greek, ampelo, “grapevines”, in referece to its discovery in the emergency spillway for Grapevine lake and Greek, gnathus, “jaw”.

Species: coheni TYKOSKI, CONTREAS & NOTO, 2023
Etymology:IN honor of Murray Cohen, the avocational fossil enthusiast who found the specimen.

Holotype: DMNH 2021-05-02

Locality: Grapevine Lake emergency spillway, extreme northern Tarrant County, Texas.

Horizon: Lewisville Formation.

Biostratigraphy:

Age: Middle Cenomanian Stage, Late Gallic Subepoch, Early Gulf Epoch, Middle Cretaceous.

Material: Almost complete left dentary, missing a piece of its osterolateral corner, all dentition except the root of dentary tooth 6, adn the medial walls of most alveoli dorsal to the replacemen teeth foramina.