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Report Fossil
Images: |
By ThePhysicist
Avisaurus
Kingdom: Animalia
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous
Sub Period: None
Epoch: Late
Hell Creek Formation
Acquired by: Purchase/Trade
Height: 4 mm
Thickness: 1 mm
Garfield County
Montana
United States
Identification:
This tooth is triangular and thin, with significant basal constriction, a hallmark of bird teeth.
Notes:
This tooth has a feeding wear facet on the labial side, suggesting that it's from the left "dentary."
Citation:
BRETT-SURMAN, MICHAEL K. & PAUL, GREGORY S., 1985, A new family of bird-like dinosaurs linking Laurasia and Gondwanaland, Journal of Vertebrate Paleontology, Volume 5, Number 2, June, Pages 133-138, https://www.jstor.org/stable/i405987
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