† Unamichthys espinosai Alvarado-Ortega, 2004

Referred specimens.

IGM 8373 (holotype), IGM 8374-IGM 8376 (paratypes).

Locality and age.

Tlayúa quarry, Tlayúa Formation, Tepexi de Rodríguez, Puebla; Cretaceous (Albian).