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Brevidentavis

From Wikipedia, the free encyclopedia
Extinct genus of dinosaurs
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Brevidentavis
Temporal range:Early Cretaceous,
Aptian (~125–113 Ma)
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Clade:Dinosauria
Clade:Saurischia
Clade:Theropoda
Clade:Avialae
Clade:Euornithes
Clade:Ornithuromorpha
Genus:Brevidentavis
O' Connoret al.,2021
Species:
B. zhangi
Binomial name
Brevidentavis zhangi
O'Connoret al., 2021

Brevidentavis (meaning "short-toothed bird") is a genus ofornithuromorphdinosaurs from theEarly Cretaceous (Aptian)Xiagou Formation ofGansu Province,China. The genus contains a single species,Brevidentavis zhangi, known from a specimen including a partial skull andcervical vertebrae. TheBrevidentavisholotype shows unusually blunt teeth in its lower jaw, which the describing authors suggest may indicate a specialized diet. Its dentition shows similarities with those ofhesperornitheans, and indeed it may be an early member of that group.[1]

Etymology

[edit]

The generic name, "Brevidentavis", combines theLatin "brevis," meaning "short," "dent," meaning "tooth," and "avis," meaning "bird." The specific name, "zhangi", honorsZhang Xing, who was involved in the expedition where the holotype fossil was discovered.[1]

References

[edit]
  1. ^abO' Connor JK, Stidham TA, Harris JD, Lamanna MC, Bailleul AM, Hu H, Wang M, You H (2021)."Avian skulls represent a diverse ornithuromorph fauna from the Lower Cretaceous Xiagou Formation, Gansu Province, China".Journal of Systematics and Evolution.60 (5):1172–1198.doi:10.1111/jse.12823.S2CID 245586113.
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