Subspecies SynonymThomomys umbrinus arriagensis Dalquest, 1951Synonym ofMegascapheus umbrinus umbrinus (Richardson, 1829)loadingAboutClassification and descendantsSource: Catalogue of LifeSearchLoadingLoadingLoadingLoadingLoadingLoading View allCitationThomomys umbrinus arriagensis Dalquest, 1951 in undefined
