Gale A.S., Kennedy W.J. (2020) Upper Albian ammonites

Gale A.S., Kennedy W.J. (2020) Upper Albian ammonites from North-East Texas // Revue de Paléobiologie, Genève (juin 2020). Vol. 39. no.1. P.1-139.
https://zenodo.org/record/3936161
https://zenodo.org/record/3936161