One-striped opossum

{{Short description|Species of marsupial}}

{{Speciesbox

| name = One-striped opossum{{MSW3 Didelphimorphia | id = 10400151 | page = 16}}

| status = PE

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Pavan, S. |date=2016 |title=Monodelphis unistriata |volume=2016 |page=e.T13703A22171555 |doi=10.2305/IUCN.UK.2016-3.RLTS.T13703A22171555.en |access-date=19 November 2021}}

| genus = Monodelphis

| species = unistriata

| authority = (Wagner, 1842)

| range_map = Single-striped Opossum area.png

| range_map_caption = One-striped opossum range

}}

The one-striped opossum (Monodelphis unistriata) is a possibly extinct opossum species from South America. It is known only from two specimens found in Brazil in 1821 and Argentina in 1899.{{cite web |title=Single-striped Opossum |url=http://www.edgeofexistence.org/species/single-striped-opossum/ |website=Edge of Existence}}