Qiaotou, Datong (Triassic of China)

Where: Qinghai, China (36.9° N, 101.7° E: paleocoordinates 40.9° N, 96.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Xiaomeidong Formation, Norian (228.0 - 208.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: Y.-J. Lu. 1981. Late Triassic lamellibranchs from Datong of Qinghai, NW China. Acta Palaeontologica Sinica 20(6):577-585 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200769: authorized by Alex Dunhill, entered by Bethany Allen on 16.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
Nuculana cf. alpina
Nuculana cf. alpina Winkler 1859 pointed nut clam
 Nuculanida - Malletiidae
Palaeoneilo elliptica
Palaeoneilo elliptica Goldfuss 1837 clam
 Nuculida - Nuculidae
Palaeonucula strigilata
Palaeonucula strigilata Goldfuss 1837 nut clam
 Thraciida - Burmesiidae
Burmesia qinghaiensis n. sp.
Burmesia qinghaiensis n. sp. Lu 1981 clam
 Cardiida - Kalenteridae
Pseudomyoconcha qinghaiensis n. sp.
Pseudomyoconcha qinghaiensis n. sp. Lu 1981 clam
 Cardiida - Anthracosiidae
Unionites zadoensis, Unionites griesbachi
Unionites griesbachi Bittner 1899 clam
 Trigoniida - Myophoriidae
Heminajas qinghaiensis n. sp.
Heminajas qinghaiensis n. sp. Lu 1981 clam
 Trigoniida - Trigoniidae
Trigonia (Kumatrigonia) qiaotouensis n. sp.
 Unionida - Pachycardiidae
Yunnanophorus qiaotouensis n. sp.
Yunnanophorus qiaotouensis n. sp. Lu 1981 clam
 Pectinida - Limidae
Palaeolima balatonica, Plagiostoma nuitoense
 Pectinida - Entoliidae
Entolium qinghaiense n. sp.
Entolium qinghaiense n. sp. Lu 1981 scallop
 Ostreida - Bakevelliidae
Hoernesia qiaotouensis n. sp., Hoernesia xiaomeidongensis n. sp.
Hoernesia qiaotouensis n. sp. Lu 1981 oyster
Hoernesia xiaomeidongensis n. sp. Lu 1981 oyster
 Ostreida - Pteriidae
Pteria datongensis n. sp.
Pteria datongensis n. sp. Lu 1981 pearl oyster
 Ostreida - Ostreidae
Lopha vascularis n. sp.
Lopha vascularis n. sp. Lu 1981 oyster