Nohochichak

Nohochichak is an extinct genus of megalonychid ground sloth from the Late Pleistocene (Rancholabrean) of the Yucatan Peninsula in Mexico.
Discovery and taxonomy.
The only known specimens were discovered in the underwater cave system of Hoyo Negro in Quintana Roo, consisting of a partial skull and mandible. It was found to be closer to other Mexican Sloth taxa, like "Xibalbaonyx", "Meizonyx" and "Zacatzontli" than North American taxa like "Megalonyx".