-
hippos unranked Ruminantia Infraorder Tragulina (paraphyletic)
Family †
Leptomerycidae Family †Hypertragulidae
Family †Praetragulidae
Family †Gelocidae Family...
-
Leptomeryx is an
extinct genus of
ruminant of the
family Leptomerycidae,
endemic to
North America during the
Eocene through Oligocene 38–24.8 Mya, existing...
- †Hypertragulidae
Hypertragulus Nanotragulus Hypisodontinae Hypisodus †
Leptomerycidae Hendryomeryx Leptomeryx Xinjiangmeryx Pseudomeryx Pseudoparablastomeryx...
-
Family †Protoceratidae?
Suborder Ruminantia Infraorder Tragulina Family †
Leptomerycidae Family †Hypertragulidae
Family †Praetragulidae
Family †Gelocidae Family...
-
other traguline families such as the Tragulidae, Hypertragulidae, and
Leptomerycidae by a
combination of a
tusklike but
reduced bottom first incisor, strong...
- †Amphimerycidae
Family †Hypertragulidae
Family Tragulidae:
mouse deer
Family †
Leptomerycidae Family †Bachitheriidae
Family †Lophiomerycidae
Family †Gelocidae Superfamily...
- †Hyracodon †Hyracodontidae †Ischyromys †Ischyromyidae †Leptomeryx †
Leptomerycidae The most
common fossil found in the area. †Leptauchenia †Merycoidodontidae...
-
Leptomerycinae is an
extinct subfamily within the
ruminant family Leptomerycidae. It
contains three genera, Leptomeryx, Pronodens, and Pseudoparablastomeryx...
-
Bathygenys 709:
extremely common hundreds of
endocasts (see below)
Leptomerycidae Hendryomeryx defordi 2:
extremely rare
Leptomeryx 10: rare Oromerycidae...
-
Princeton University Press, 2005. p. 213 Heaton, Timothy;
Robert J. Emry. "
Leptomerycidae Chapter 27 The
Terrestrial Eocene-Oligocene
Transition in
North America...
