Zishiya, Linyou County (Triassic of China)

Where: Shaanxi, China (34.7° N, 107.9° E: paleocoordinates 34.5° N, 84.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Liujiagou Formation, Spathian (251.3 - 247.2 Ma)

• "Late Scythian"

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected in 1964-1965

• Repository: Wuhan College of Geology (now China University of Geosciences)

Primary reference: Z. Y. Yang, H. F. Yin, and H. M. Lin. 1979. Marine Triassic faunas from the Shihchienfeng Group in the northern Weihe River basin, Shaanxi province. Acta Palaeontologica Sinica 18:465-474 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150462: authorized by Matthew Clapham, entered by Matthew Clapham on 09.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Ophiuroidea
 Amphilepidida - Ophiolepididae
? Ophiolepis shaanxiensis n. sp. Yang 1979 brittle star
Rhynchonellata
 Spiriferinida - Spiriferellinidae
? Pseudospiriferina sp. Yang and Xu 1966
 Spiriferinida - Mentzeliidae
"Mentzelia" sp. Quenstedt 1871
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo elliptica Goldfuss 1837 clam
 Cardiida - Anthracosiidae
Unionites sp. Wissman 1841 clam
 Ostreida - Bakevelliidae
Bakevellia costata, "Gervillia exporrecta" = Bakevellia exporrecta
Bakevellia costata Schlotheim 1820 oyster
"Gervillia exporrecta" = Bakevellia exporrecta Lepsius 1878 oyster
 Ostreida - Pteriidae
Pteria cf. murchisoni Geinitz 1861 pearl oyster
 Myalinida - Mysidiellidae
"Mytilus eduliformis" = Promysidiella eduliformis
"Mytilus eduliformis" = Promysidiella eduliformis Schlotheim 1820 clam
n. ssp. subpraecursor