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{{Short description|Extinct genus of birds}}
{{Italic title}}
{{Speciesbox
| name = ''Boluochia''
| fossil_range = [[Early Cretaceous]], {{fossil range|120}}
| genus = Boluochia
| parent_authority = Zhou, 1995
| species = zhengi
| authority = Zhou, 1995
}}

'''''Boluochia zhengi''''' was an [[enantiornithine]] bird. It lived during the Early Cretaceous in the time span 121.6-110.6 mya<ref>Zhonghe Zhou, Paul M. Barrett & Jason Hilton. "An exceptionally preserved Lower Cretaceous ecosystem". '''Nature''' 421:807-814 (20 February 2003)</ref> ([[Aptian|late Aptian]]-[[Albian|early Albian]]) and is known from [[fossil]]s found in the [[Jiufotang Formation]] of [[Liaoning]] province, [[People's Republic of China]]. ''Boluochia'' was first described by Zhou in 1995.<ref>Zhou, 1995. "Discovery of a New Enantiornithine Bird from the Cretaceous of Liaoning, China". '''PalAsiatica''' 33(2):99-113</ref> A re-analysis of the specimen by [[Jingmai O'Connor]] and colleagues found that it was closely related to ''[[Longipteryx]]'' and could be assigned to the family [[Longipterygidae]].<ref name=oconnoretal2010>O'Connor, J.K., Zhou Z. and Zhang F. (In press). "A reappraisal of ''Boluochia zhengi'' (Aves: Enantiornithes) and a discussion of intraclade diversity in the Jehol avifauna, China." ''Journal of Systematic Palaeontology'', (published online before print 16 December 2010). {{doi|10.1080/14772019.2010.512614}}</ref>

While it was originally described as having a hooked, raptorial beak, the specimen is badly preserved, and further research suggested that it instead had a normal, toothed, and probably elongated snout like other longipterygids.<ref name=oconnoretal2010/> Though the only known specimen is very poorly preserved, in nearly all features that can be compared between the two, ''Boluochia'' is indistinguishable from a juvenile specimen of ''Longipteryx''. Jingmai O'Connor and colleagues, in a 2010 re-study of the specimen, could find only one concrete feature to distinguish them: in ''Boluochia'', the fourth metatarsal diverges significantly from the others, causing the outer toe to be separated from the rest when perched. The researchers who noted this characteristic argued that it was not likely to be a deformity because it was present on both feet, and that it was not a juvenile characteristic, as it is not seen in known juvenile specimens of ''Longipteryx''.<ref name=oconnoretal2010/>

== References ==
{{Reflist}}

{{Portal|Dinosaurs}}
{{Enantiornithes}}
{{Taxonbar|from=Q891660}}

[[Category:Bird genera]]
[[Category:Early Cretaceous birds of Asia]]
[[Category:Longipterygids]]
[[Category:Fossil taxa described in 1995]]
[[Category:Jiufotang fauna]]


{{paleo-bird-stub}}

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