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(Click Photo to Enlarge)
Brachychampsa is an extinct genus of alligatoroid.
Specimens have been found from New Mexico, Colorado, Wyoming, Montana, North and
South Dakota, New Jersey, and Saskatchewan. One specimen has been found from the
Darbasa Formation of Kazakhstan, although the species status is indeterminant
for the fossil. The genus first appeared during the late Campanian stage of the
Late Cretaceous (Judithian North American stage) and went extinct during the
early Danian stage of the Paleocene (Puercan North American stage), a few
million years after the Cretaceous–Tertiary extinction event. Brachychampsa is
distinguished by an enlarged fourth maxillary tooth in the upper jaw.
Brachychampsa's position within the superfamily Alligatoroidea has undergone
many revisions since it was first named. Originally it was placed within the
family Alligatoridae, and was later refined to the subfamily Alligatorinae in
1964, only to be placed outside both Alligatorinae and Alligatoridae (but still
within Alligatoroidea) in 1994.
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(Click Photo to Enlarge)
Name: Brachychampsa
Geologic Age: Cretaceous
Stratigraphic detail: Hell Creek Formation
Location: Carter County, Montana
Description: This is a nice rooted tooth with a great crown.. it comes in the 1.25" gem jar as shown.Brachychampsa Tooth 1 $55.00
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(Click Photo to Enlarge)
Name: Brachychampsa
Geologic Age: Cretaceous
Stratigraphic detail: Hell Creek Formation
Location: Carter County, Montana
Description: This is a nice rooted tooth with a great crown.. it comes in the 1.25" gem jar as shown.Brachychampsa Tooth 2 $55.00
 |
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(Click Photo to Enlarge)
Name: Brachychampsa
Geologic Age: Cretaceous
Stratigraphic detail: Hell Creek Formation
Location: Carter County, Montana
Description: This is a nice rooted tooth with a great crown.. it comes in the 1.25" gem jar as shown.Brachychampsa Tooth 3 $55.00
 |
 |
(Click Photo to Enlarge)
Name: Brachychampsa
Geologic Age: Cretaceous
Stratigraphic detail: Hell Creek Formation
Location: Carter County, Montana
Description: This is a nice rooted tooth with a great crown.. it comes in the 1.25" gem jar as shown.Brachychampsa Tooth 4 $55.00
 |
 |
(Click Photo to Enlarge)
Name: Brachychampsa
Geologic Age: Cretaceous
Stratigraphic detail: Hell Creek Formation
Location: Carter County, Montana
Description: This is a nice rooted tooth with a great crown.. it comes in the 1.25" gem jar as shown.Brachychampsa Tooth 5 $55.00