Where: Liaoning, China (41.6° N, 120.2° E: paleocoordinates 44.8° N, 120.2° E)
• coordinate stated in text
• small collection-level geographic resolution
When: 3 Member (Jiufotang Formation), Aptian (125.0 - 113.0 Ma)
• = Chiufotang Fm. Yuanjiawa Bed = middle of 3rd Member
•Chang et al. (2009) provide a Ar/Ar date of 122.1 Ma for the base of the Jiufutang. The age of the top of the formation is uncertain.
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine - large; gray, silty mudstone and brown, yellow marl
Size class: macrofossils
Preservation: adpression
Collected by numerous in 2004-2015
Collection methods: quarrying, surface (in situ),
• LPM: Liaoning Paleontological Museum, Western Liaoning Institute of Mesozoic Paleontology, Shenyang Normal University
Primary reference: K.-Q. Gao, D. T. Ksepka, L. Hou, Y. Duan, and D. Hu. 2007. Cranial morphology of an Early Cretaceous monjurosuchid (Reptilia: Diapsida) from Liaoning Province of China and evolution of the choristoderan palate. Historical Biology 19(3):215-224 [M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 79941: authorized by Matthew Carrano, entered by Matthew Carrano on 27.03.2008, edited by Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Aves | |
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Parahongshanornis chaoyangensis n. gen. n. sp.4
Parahongshanornis chaoyangensis n. gen. n. sp.4 Li et al. 2011 bird PMOL-AB00161 - holotype (partial skeleton)
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Alethoalaornis agitornis n. gen. n. sp.3
Alethoalaornis agitornis n. gen. n. sp.3 Li et al. 2007 true wing bird LPM 00009, 00032, 00038, 00040, 00053
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Yuanjiawaornis viriosus n. gen. n. sp.2
Yuanjiawaornis viriosus n. gen. n. sp.2 Hu et al. 2015 bird PMOL AB00032, nearly complete and mostly articulated postcranial skeleton, missing the skull, cervical and cranial thoracic vertebrae, and most of the manual and pedal digits
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Reptilia | |
Liaoxipterus brachyognathus n. gen. n. sp.1
Liaoxipterus brachyognathus n. gen. n. sp.1 Dong and Lü 2005 pterosaur CAR-0018, nearly complete lower jaw
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Longchengpterus zhaoi n. gen. n. sp.5
Longchengpterus zhaoi n. gen. n. sp.5 Wang et al. 2006 pterosaur LPM 00023, partial skeleton with incomplete skull; may be synonymous with Liaoxipterus
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Philydrosaurus proseilus Gao and Fox 2005 choristodere LPMC 021 (skull [= SNU field #043]); PMOL-AR00141 (cranium and postcranium of a juvenile specimen) and PMOL-AR00173 (incomplete braincase with upper and lower jaws of a large adult)
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