Youjianzhai-6 (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 200991: authorized by William Foster, entered by William Foster on 28.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Tentaculita
 Microconchida -
Microconchus aberrans Hohenstein 1913
Lingulata
 Lingulida - Lingulidae
Sinolingularia huananensis Peng and Shi 2008
Rhynchonellata
  -
Rhynchonellata indet. Williams et al. 1996
 Spiriferida - Ambocoeliidae
cf. Crurithyris sp. George 1931
Bivalvia
 Pectinida - Entoliidae
Scythentolium scutigerulus Hautmann et al. 2011 scallop
 Pectinida - Hunanopectinidae
Leptochondria spp. Bittner 1891 scallop
 Pectinida - Claraiidae
Claraia liuqiaoensis He et al. 2007 scallop
 Pectinida - Aviculopectinidae
Eumorphotis shajingengi Hautmann et al. 2011 scallop
 Ostreida - Bakevelliidae
Bakevellia exporrecta Lepsius 1878 oyster
"Bakevellia ceratophaga" = Bakevellia (Bakevellia) ceratophaga von Schlotheim 1816 oyster
Towapteria scythica Wirth 1936 oyster
 Myalinida - Myalinidae
Promyalina putiatinensis Kiparisova 1938 clam
Myalinella newelli Hautmann et al. 2011 clam
 Myalinida - Atomodesmatidae
Atomodesma hautmanni Foster et al. 2019 clam
 Cardiida - Kalenteridae
Permophorus bregeri Girty 1927 clam
 Cardiida - Anthracosiidae
"Austrotindaria ? canalensis" = Unionites canalensis
"Austrotindaria ? canalensis" = Unionites canalensis Catullo 1847 clam
 Carditida - Astartidae
Astartella ? stefaniae Hautmann 2015 clam
Astartopsis ? sp. de Loriol 1891 clam
 Nuculanida - Tindariidae
Austrotindaria svalbardensis Foster et al. 2017 clam