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Showing results for tags 'eutherian'.
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I recently saw a 1.2cm long Oligocene mammal jaw from South Dakota, judging by the coloration of the specimen from the Brule Formation, up for sale. The jaw is referred to as Leptictis haydeni, but the description states it to be from a primitive weasel. Moreover, I have never seen any Leptictis material for sale and the dentition looks as much like that of the relatively similarly named but much more common Leptomeryx than any leptictid. Thanks in advance for any guidance Othniel
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From the album: Hell Creek / Lance Formations
This is a very close cousin of ours - a eutherian (placental) mammal from the time of T. rex. This particular mammal has an interesting phylogeny, being positioned basally to insectivores, rodents, and primates. (See Lillegraven 1969)-
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- cretaceous mammal
- eutheria
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