The paleoichthyofauna housed in the Coleccion Nacional de Paleontologia of Universidad Nacional Autonoma de Mexico Author Cantalice, Kleyton Magno Author Martinez-Melo, Alejandra Author Romero-Mayen, Violeta Amparo text Zoosystematics and Evolution 2019 95 2 429 452 http://dx.doi.org/10.3897/zse.95.35435 journal article http://dx.doi.org/10.3897/zse.95.35435 1860-0743-2-429 514DEB4FBD404ED1898B27A5F9013FB5 Ranulfoichthys dorsonudum Alvarado-Ortega, 2014 Referred specimens. IGM 9034 (holotype), IGM 9467, IGM 9468 (paratypes); IGM 9035-IGM 9047 (Alvarado-Ortega, 2014). Locality and age. Tlayua quarry, Tlayua Formation, Tepexi de Rodriguez , Puebla; Cretaceous (Albian).