After Wang, Tedford & Taylor, 1999
    †Metatomarchus Wang, Tedford & Taylor, 1999
        †Metatomarchus sp. A [Wang, Tedford & Taylor, 1999]
            †Tomarctus cf. T. optatus (Matthew, 1924); Stirton, 1939a
            †Metatomarchus sp. A Wang, Tedford & Taylor, 1999
        †Metatomarchus sp. B [Wang, Tedford & Taylor, 1999]
            †Tephrocyon? compare rurestris (Condon, 1896); Merriam, 1911
            †Tephrocyon? compare rurestris (Condon, 1896); Merriam, 1913
            †Tephrocyon? sp. Merriam, 1911
            †Tephrocyon? sp. Merriam, 1913
            †Tomarctus large species Downs, 1956
            †Metatomarchus sp. B Wang, Tedford & Taylor, 1999
        †Metatomarchus canavus (Simpson, 1932)
            †Cynodesmus canavus Simpson, 1932
            †Cynodesmus canavus Simpson; White, 1941b
            †Tomarctus thomasi White, 1941b
            †Tomarctus thomasi White; White, 1942
            †Tomarctus thomasi White; Downs, 1956
            †Tomarctus canavus (Simpson); White, 1942
            †Tomarctus canavus (Simpson); White, 1947
            †Tomarctus canavus (Simpson); Olsen, 1956a
            †Tomarctus canavus (Simpson); Downs, 1956
            †Tomarctus canavus (Simpson); Wang, 1994
            †Tomarctus canavus (Simpson); Munthe, 1998
            †Nothocyon insularis White, 1942
            †Nothocyon insularis White; White, 1947
            †Tomarctus kelloggi (Merriam, 1911); Munthe, 1988 (in partim)
            †Tomarctus sp. Reynolds et al., 1995
            †Tomarctus cf. T. canavus (Simpson); Emry & Eshelman, 1998
            †Metatomarchus canavus (Simpson); Wang, Tedford & Taylor, 1999
Reference(s):
- Wang, X., Tedford, R. H. & Taylor, B. E., 1999: Phylogenetic systematics of the Borophaginae (Carnivora, Canidae).
–Bulletin of the American Museum of Natural History: Vol. #243, pp. 1-391 [http://hdl.handle.net/2246/1588] 
 
