CHINA
HEBEI PROVINCE
FENGNING COUNTY
SICHAKOU BASIN
PROTOPTERYX-HORIZON
HUAJIYING FORMATION
BARREMANIAN STAGE
LOWER GALLIC SUBEPOCH
MIDDLE EARLY CRETACEOUS EPOCH
EARLY CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AVES LINNAEUS, 1758
SUBCLASS: SAURORNITHES NICHOLSON, 1879
AVEBREVICAUDA PAUL, 2001
INFRACLASS: ORNITHOTHORACES NOVA
LEGION: ORNITHURAE NOVA
COHORT: ENANTIORNITHES NOVA
Incertae sedis
*Cruralispennia multidonta
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CHINAHEBEI PROVINCE
FENGNING COUNTY
SICHAKOU
DABEIGOU FORMATION
LOWEST JEHOL BIOTA
BARREMIAN STAGE
LOWER GALLIC SUBEPOCH
MIDDLE EARLY CRETACEOUS EPOCH
EARLY CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AVES LINNAEUS, 1758
SUBCLASS: SAURORNITHES NICHOLSON, 1879
ORDER: CONFUCIUSORNITHOFORMES HOU, ZHOU, GU & ZHANG, 1995
Family: CONFUCIUSORNITHIDAE Hou, Zhou, Gu & Zhang, 1995
*Eoconfuciusornis zhengi
Gen. sp indet
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CHINA
HEBEI PROVINCE
WEICHANG COUNTY
SHIXIA
DABEIGOU FORMATION
JEHOL GROUP
BARREMIAN STAGE
LOWER GALLIC SUBEPOCH
MIDDLE EARLY CRETACEOUS SUBEPOCH
EARLY CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AVES LINNAEUS, 1758
SUBCLASS: SAURORNITHES NICHOLSON, 1879
PYGOSTYLIA CHIAPPE 2002
ORDER: INCERTAE SEDIS
Family: JINGUOFORTISIDAE Wang, Stidham & Zhou, 2018
*Jinguofortis perplexus
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