Within Equidae, "Equus" is the only extant genus; "Equus" (and Equidae more broadly) has numerous extinct species known only from fossils.
Like Equidae more broadly, "Equus" has numerous extinct species known only from fossils. Within Equidae, "Equus" is the only extant genus.
Within Equidae, "Equus" is the only extant genus. Like Equidae more broadly, "Equus" has numerous extinct species known only from fossils.
Within Equidae, "Equus" is the only extant genus. Like Equidae more broadly, "Equus" has numerous extinct species known only from fossils.