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Showing results for tags 'cretaceous bird'.
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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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- avisaurus
- avisaurus tooth
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From the album: Hell Creek / Lance Formations
Avisaurus cf. archibaldi Hell Creek Fm., Garfield Co., MT, USA More information Avisaurus is an extinct, toothed Enantiornithine bird that lived at the very end of the Cretaceous. It likely held a similar niche that hawks/eagles do today, preying on small vertebrates like lizards and mammals.- 2 comments
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- avian dinosaur
- hell creek formation
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From the album: Dinosaurs
A Cretaceous bird tooth (avian dinosaur). ~ 4 mm in height.-
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- avisaurus
- avisaurus archibaldi
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