This species was originally described in 1842; it is still known only from two specimens, one from Argentina and one from Brazil.
The One-striped Short-tailed Opossum reached a length of about 20 cm (including the tail).
Nothing is known about its biology and it is thought to be possibly extinct.
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References:
[1] Ronald H. Pine; David A. Flores; Kurt Bauer: The second specimen of Monodelphis unistriata (Wagner) (Mammalia: Didelphimorphia), with redescription of the species and phylogenetic analysis. Zootaxa 3640(3): 425-441. 2013
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Photo from: ‘Ronald H. Pine; David A. Flores; Kurt Bauer: The second specimen of Monodelphis unistriata (Wagner) (Mammalia: Didelphimorphia), with redescription of the species and phylogenetic analysis. Zootaxa 3640(3): 425-441. 2013’
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edited: 08.05.2022