The bush dog, first known as a fossil, enters the LRT

Figure 1. Speothos is the living bush dog from South America.

Figure 1. Speothos is the living bush dog from South America. This taxon is basal to cats + dogs + hyaenas.

The South American bush dog
Speothos veanticus (Lund 1842; up to 75cm in length; Figs. 1, 2) is traditionally considered a basal dog (family: Canidae). Here Speothos nests at the base of cats + hyaenas + aardwolves + dogs. Miacis is a similar sister basal to sea lions and both are derived from another short-legged carnivore, the European mink, Mustela. Speothos was first identified as a fossil, then as a living taxon. Webbed toes allow this genus to swim more effectively.

Figure 2. Speothos, the South American bush dog, skeleton and in vivo.

Figure 2. Speothos, the South American bush dog, skeleton and in vivo.


References
Lund PW 1842. Fortsatte bernaerkninger over Brasiliens uddöde dirskabning.Lagoa Santa d. 27 de Marts 1840. Kongelige Danske Videnskabernes Selskab Afhandlinger 9:1-16.

wiki/Bush_dog

 

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