Didelphous

• (n.) Formerly, any marsupial; but the term is now restricted to an American genus which includes the opossums, of which there are many species. See Opossum. [Written also Didelphis.] See Illustration in Appendix. • (a.) Didelphic.
Found on http://thinkexist.com/dictionary/meaning/didelphous/

Didelphous

Di·del'phous adjective (Zoology) Didelphic.
Found on http://www.encyclo.co.uk/webster/D/62

didelphous

marsupial or pouched mammal
Found on http://phrontistery.info/d.html
No exact match found