Youjianzhai-2 (Triassic of China)

Where: Guizhou, China (25.6° N, 106.8° E: paleocoordinates 6.5° N, 96.5° E)

When: Hindeodus parvus conodont zone, Daye Formation, Griesbachian (251.9 - 250.5 Ma)

Environment/lithology: open shallow subtidal; lithified, calcareous packstone

Size class: mesofossils

Preservation: original calcite, replaced with calcite

Collection methods: bulk, mechanical,

Primary reference: W.J. Foster, D.J. Lehrmann, M. Yu, L. Ji, and R.C. Martindale. 2018. Persistent Environmental Stress Delayed the Recovery of Marine Communities in the Aftermath of the Latest Permian Mass Extinction. Paleoceanography and Paleoclimatology 33:338-353 [W. Foster/W. Foster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200984: authorized by William Foster, entered by William Foster on 28.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Crinoidea
 Holocrinida - Holocrinidae
cf. Holocrinus sp. Wachsmuth and Springer 1886 Sea lily
Tentaculita
 Microconchida -
Microconchus aberrans Hohenstein 1913
Lingulata
 Lingulida - Lingulidae
Sinolingularia huananensis Peng and Shi 2008
Gastropoda
 Bellerophontida - Euphemitidae
Warthia vaceki Bittner 1899 snail
 Caenogastropoda - Coelostylinidae
cf. Coelostylina sp. Kittl 1894 snail
Bivalvia
 Pectinida - Claraiidae
Claraia liuqiaoensis He et al. 2007 scallop
 Ostreida - Bakevelliidae
Towapteria scythica Wirth 1936 oyster