Borophaginae
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The extinct Borophaginae form one of three subfamilies found within the canid family. The other two canid subfamilies are the extinct Hesperocyoninae and extant Caninae. Borophaginae, called "bone-cru
Aelurodon stirtoni
Borophagus secundus (top), Aelurodon taxoides (middle), Tomarctus brevirostris (bottom).
Dusicyon australis
Hesperocyoninae
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The extinct Hesperocyoninae are one of three subfamilies found within the canid family. The other two canid subfamilies are the extinct Borophaginae and extant Caninae.
Borophaginae
…The extinct Borophaginae form one of three subfamilies found within the canid family. The other two canid subfamilies are the extinct Hesperocyoninae and extant Caninae. Borophaginae, called "bone-crushing dogs", were endemic to North America during the Oligocene to Pliocene and lived roughly 34–2.5…
Mesocyon coryphaeus