Adler's mouse opossum
The Adler’s mouse opossum ("Marmosa adleri") is a species of opossum in the "Marmosa" genus in the family "Didelphidae". Discovery and naming. The name Adler’s mouse opossum was named after Greg Adler, a biologist at the University of Wisconsin–Oshkosh The Adler’s mouse opossum was discovered in 2021 by a team of researchers from the American Museum of Natural History, Siena College and the Bell Museum at the University of Minnesota.