Nannippus
Nannippus is an extinct genus of three-toed horse endemic to North America during the Miocene through Pliocene, about 13.3—3.3 million years ago, living around 11.1 million years.
Nannippus lived as far south as central Mexico to as far north as Canada, to California in the west, and North Carolina and Florida in the east.Species
- N. aztecus. Widespread in Florida and also found in Texas, Oklahoma, and Chihuahua, became extinct 11.2—5.7 Mya.
- N. beckensis found in Texas only and became extinct about 3.4 Mya.
- N. lenticularis was found in Alberta, Canada, North Carolina, Alabama, Nebraska, and Kansas, becoming extinct about 13 Mya.
- N. montezumae
- N. morgani is restricted to Florida and appears to have become extinct about 8.6 Mya.
- N. peninsulatus was found in Florida, Texas, Oklahoma, New Mexico, Arizona, and Mexico, becoming extinct about 3.3 Mya.
- N. parvulus
- N. westoni is restricted to Florida and became extinct about 9.1—8.7 Mya.
