-
polyphyletic ****emblage of two
different groups, the
oxyaenids and the hyaenodontids, not a
natural group.
Oxyaenids are
first known from the
Palaeocene of North...
-
fourteen genera.
Oxyaenids were the
first to
appear during the late
Paleocene in
North America,
while smaller radiations of
oxyaenids in
Europe and Asia...
- early-to-mid-Cenozoic, the
dominant predator forms were mammals: hyaenodonts,
oxyaenids, entelodonts, ptolemaiidans,
arctocyonids and mesonychians, representing...
- The
hyaenodonts diverged next,
possibly before Laurasiatheria, then the
oxyaenids, and then the nimravids,
before the
diversification of the
truly feline...
-
representatives of
carnivorans were
small as the
creodonts (specifically, the
oxyaenids) and
mesonychians dominated the apex
predator niches during the Eocene...
- disproven. Nonetheless,
deltatheroideans do
converge on hyaenodontids,
oxyaenids, carnivorans, dasyuromorphs,
thylacoleonids and spar****odonts in many...
-
found also in many
extinct members of Ferungulata,
including hyaenodonts,
oxyaenids, mesonychids,
arctocyonids and the stem-relatives of
perissodactyls (like...
-
Mount of
oxyaenid Patriofelis from the
American Museum of
Natural History...
-
Hyaenodonts were
considerably more
widespread and
successful than the
oxyaenids, the
other clade of
mammals originally classified along with the hyaenodonts...
- (the
artiodactyl Andrewsarchus –
formerly considered a mesonychid, the
oxyaenid Sarkastodon, and the
carnivorans Amphicyon and Arctodus) all
reached a...
