Genus: Tantallognathus CHEN, ALAVI, BRAZEAU, BLOM, MILLWARD & AHLBERG, 2017 (published 2018)
Etymology: In reference to the Tantallon Castle, sometime seat of the Red Douglases, near which the holotype and only specimen was collected, and Greek, gnathos, "jaw."

Species: woodi CHEN, ALAVI, BRAZEAU, BLOM, MILLWARD & AHLBERG, 2017 (published 2018)
Etymology: In memory of Mr. Stan Wood, for his outstanding contributions to the study of Carboniferous tetrapods.

Holotype: NMS G. 1977.43.3

Locality: Gin Head, Tantallon, near North Berwick, Scotland, Northern United Kingdom.

Horizon: Ballagan Formation

Biostratigraphy:

Age: Late Tournaisian or earliest Visean Epoch, Early Mississippian Subperiod, Early Carboniferous Period.

Material: A partial lower jaw.