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NEDCOLBERTIA

a troublesome coelurosaurian theropod dinosaur from the Early Cretaceous of North America.
Pronunciation: ned-kohl-BUHR-tee-ah
Meaning: for 'Ned' Colbert
Author/s: Kirkland et al. (1998)
Synonyms: None known
First Discovery: Utah, USA
Acta Ordinal: #432

Nedcolbertia justinhofmanni

(for Edwin "Ned" Colbert and Justin Hoffman)Etymology
Nedcolbertia was named for American paleontologist Edwin "Ned" Harris Colbert ?why?
In 1996 it was announced that the species epithet would be "whittlei" - after support author and discoverer of ths fossil site - C.H. Whittle. However, it was changed for official description a year later to justinhofmanni (jus-tin-HOF-man-ie) after six year old Justin Hoffman from New Jersey, who won the Dinamation International society's "Junior Paleontologist" competition and the right to have a dinosaur named after him.
Discovery
The remains of Nedcolbertia were discovered by Christopher Whittle one km east-northeast of Gaston Quarry, near Cisco in the Yellow Cat Member of Utah's Cedar Mountain Formation in 1993. The holotype (CEUM 5071) is a partial skeleton including tail vertebrae, pelvic elements, bones from the hind leg, two ankles, foot and toe bones, and numerous unidentified bone fragments. CEUM 5072 (a sub-adult specimen, including back and tail vertebrae fragments, pieces of hip, partial hindlimbs, and hand and foot bones, collected as surface float) and CEUM 5073 (a sub-adult specimen, including tail vertebrae fragments, a few chevrons, parts of a shoulder girdle and upper arm, and numerous unidentified bone fragments, collected as surface float) are paratypes.
Estimations
Timeline:
Era: Mesozoic
Epoch: Early Cretaceous
Stage: Valanginian
Age range: 139-134 mya
Stats:
Est. max. length: 3 meters
Est. max. hip height: ?
Est. max. weight: ?
Diet: Carnivore
References
• Kirkland JI, Whittle CH, Britt BB, Madsen S and Burge D (1995) "A Small Theropod from the Basal Cedar Mountain Formation (Lower Cretaceous, Barremian) of Eastern Utah". Journal of Vertebrate Paleontology, 15(3): 39A.
• Kirkland JI, Britt BB, Whittle CH, Madsen SK, and Burge DL (1998) "A small coelurosaurian theropod from the Yellow Cat Member of the Cedar Mountain Formation (Lower Cretaceous, Barremian) of eastern Utah". New Mexico Museum of Natural History and Science Bulletin, 14: 239-248.
• Brownstein CD (2017) "Redescription of Arundel Clay ornithomimosaur material and a reinterpretation of Nedcolbertia justinhofmanni as an "Ostrich Dinosaur": biogeographic implications". PeerJ, 5: e3110. DOI: 10.7717/peerj.3110.
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To cite this page:
Atkinson, L. "NEDCOLBERTIA :: from DinoChecker's dinosaur archive".
›. Web access: 25th Apr 2026.
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