Mathevotaenia megastoma (Diesing)

Alouatta belzebul (Linnaeus), small intestine, Paraná (Diesing 1850, 1856; Travassos 1965; Stuart et al. 1998).

Brachyteles arachnoides (Geoffroy) small intestine, Rio de Janeiro (Diesing 1856; Travassos 1965). Saguinus bicolor (Spix), small intestine, Amazonas (Diesing 1850, 1856; Travassos 1965).