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Major evolution and
dispersal of
modern types of
flowering plants.
Cimolestans,
miacoids and
condylarths go extinct.
First neocetes (modern,
fully aquatic...
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identified in 2009 as an
adapiform primate Kopidodon, an
extinct arboreal cimolestan Leptictidium, an
extinct omnivorous hopping mammal (of the
leptictid family)...
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Cimolestans reported from the
Irdin Manha Formation Genus Species Presence Material Notes Images Eudinoceras E.
mongoliensis 2
premolars & jaw elements...
- †Cimolestes †Cimolestes
incisus 75–56 Ma,
Campanian to
Thanetian USA A
basal cimolestan that was once
considered to be a marsupial, then a
primitive placental...
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Cimolestans reported from the
Formation Genus Species Presence Stratigraphic member Material Notes Images Gobiopithecus G. khan K****
Dzhan locality....
- The
Bridger Formation is a
geologic formation in
southwestern Wyoming. It
preserves fossils dating back to the
Bridgerian and
Uintan stages of the Paleogene...
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Cimolestans reported from the
Willwood Formation Genus Species Presence Material Notes Images Azgonyx A.
gunnelli Localities SC-67, SC-308 and SC-351...
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largest living species and
weighted up to 10 kg (22 lb). The
largest known cimolestan is Coryphodon, 1 m (3 ft 3 in) high at the shoulder, 2.5 m (8 ft 2 in)...
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Cimolestans reported from the Fort
Union Formation Genus Species Locality Stratigraphic member Material Notes Images Crustulus C. font**** Northeastern...
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Palaeotherium also
overlapped with
metatherians (Herpetotheriidae),
cimolestans (Pantolestidae, Paroxyclaenidae),
rodents (Ischyromyidae, Theridomyoidea...
