Monodelphis maraxina Thomas 1923
Monodelphis maraxina Thomas 1923, Ann. Mag. Nat. Hist., ser. 9, 12: 157.
Type Locality: Brazil, Pará, "Caldeirão." .
Vernacular Names: Marajo Short-tailed Opossum.
Distribution: Brazil, Pará, Marajó Isl.
Conservation: IUCN – Vulnerable.
Discussion: Eight specimens known. See Pine (1980 a).