phalangerid noun1 •Any of the nocturnal marsupials of family Phalangeridae, which includes cuscuses and brushtail possums.One of these species, Phalanger gymnotis (ground cuscus), is reported to be the most frugivorous of the eight New Guinean phalangerid species, and is perhaps the most frugivorous of all phalangerids. — 1999 formsphalangerids
