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Hyotheridium

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Late Cretaceous-era mammal
Hyotheridium
Temporal range: Santonian–Campanian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Genus: Hyotheridium
Gregory & Simpson, 1926
Species:
H. dobsoni
Binomial name
Hyotheridium dobsoni
Gregory & Simpson, 1926

Hyotheridium is a possible Eutherian from the Late Cretaceous (?late Santonian–early Campanian) Djadochta Formation of Mongolia. It also could be a Deltatheriid, although the fossil, a poorly preserved skull with the upper and lower jaws connected in a way that makes them hard to separate and to examine, makes it difficult to determine what it is.[1]

References

[edit ]
  1. ^ "MESOZOIC MAMMALS; Basal Eutheria Two, an internet directory". Archived from the original on 2011年06月07日. Retrieved 2008年05月04日.
Synapsida
Cynodontia
Mammalia
Eutheria
    • see below↓
Adapisoriculidae
Asioryctitheria
Cimolestidae
Didymoconidae
Horolodectidae
Leptictida
Gypsonictopidae
Pseudorhyncocyonidae
Leptictidae
Palaeoryctidae
Pantolesta
Paroxyclaenidae
Pantolestidae
Taeniodonta
Conoryctidae
Onychodectidae
Stylinodontidae
Tillodontia
Zalambdalestidae
Zhelestidae
Pantodonta
Placentalia


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