Ahytherium

Ahytherium is an extinct genus of megalonychid sloth found in Brazil.
Discovery and taxonomy.
The almost-complete skeleton of "Ahytherium" alongside remains another extinct sloth species, "Australonyx", were discovered in Poço Azul, an underwater cave in Chapada Diamantina National Park in 2005. It was described by Castor Cartelle of Pontifícia Universidade Católica de Minas Gerais. The bones, which had a length of about when put together, belong to an animal which presumably was still growing.