† Kelemejtubus castroi Cantalice & Alvarado-Ortega, 2017

Referred specimens.

IGM 4864 (holotype), IGM 4865-IGM 4867, IGM 4908, IGM 4909 (paratypes).

Locality and age.

Belisario Domínguez and División del Norte quarries, Tenejapa-Lacandón geological unity, Salto de Agua and Palenque, Chiapas; Paleocene (Danian).