Hypolagus regalis (extinct)
Found in one sample
United States: Beck Ranch (Early Pliocene)
See also Hypolagus, Hypolagus balearicus, Hypolagus beremendensis, Hypolagus brachygnathus, Hypolagus edensis, Hypolagus parviplicatus, Hypolagus ringoldensis, Hypolagus sp., Hypolagus vetus