animalOpossumBeings · NatureOpossum as an animal people have named and used. Survival, Resourcefulness, Trickster — one living kind, not a single symbol.Opossum is historically related to Wool.In Dunglison's Medical Lexicon, Opossum is placed beside Wool as concrete shop companions.from Robley Dunglison · Medical Lexicon, 1874 (and earlier PD eds.)historically related to · sourced · documentedsourcesMedical Lexicon · Robley DunglisonRobley Dunglison, Medical Lexicon (Dictionary of Medical Science).