Where: Guizhou, China (26.3° N, 106.7° E: paleocoordinates 13.3° N, 95.1° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Leidapo Member (Qingyan Formation), Pelsonian to Pelsonian (247.2 - 242.0 Ma)
• Basal upper Anisian. Schreyerites binodosus and Paraceratites trinodosus zones. Yuqing subformation
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified, argillaceous wackestone and lithified, calcareous claystone
Size classes: macrofossils, mesofossils
Preservation: original calcite
Collection methods: bulk, mechanical, peel or thin section,
• All abundance data given as "statistical individuals"
•Bivalves, brachiopods: Double-valved shells + higher number of single shells (right or left)
•Echinoderms, vertebrates: one indivudual if number of parts more than parts in living animal. crinoids > 150 columnalia = 1 individual,
•Others: all fragments as one
Primary reference: F. Stiller. 2001. Fossilvergesellschaftungen, Paläoökologie und paläosynökologische Entwicklung im Oberen Anisium (Mittlere Trias) von Qingyan, insbesondere Bangtoupo, Provinz Guizhou, Südwestchina. Münstersche Forschungen zur Geologie und Paläontologie 92:1-523 [W. Kiessling/W. Kiessling/W. Kiessling]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 31614: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 20.05.2003, edited by Marcus Apel
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Encrinus cf. liliiformis Lamarck 1801 Sea lily | |
Qingyanocrinus kueichounensis Dubatolova and Shao 1959 Sea lily | |
Rhynchonellata | |
Schwagerispira subcircularis Yang and Xu 1966 | |
Paralepismatina semiconica Yang and Xu 1966 | |
Leiolepismatina semiconula Yang and Xu 1966 | |
"Hirsutella multicostata" = Dagyssia multicostata Yang and Xu 1966
Mentzelia mentzeli Dunker 1851
Mentzelia subspherica Yang and Xu 1966 | |
Nudispiriferina minima Yang and Xu 1966
Qingyenia spinosa Yang and Xu 1966 | |
Lepismatina hsui Wang 1955 | |
Costirhynchopsis xingyiensis Yang and Xu 1966
Costirhynchopsis sinensis Yang and Xu 1966 | |
Septaliphorioidea paucicostata Yang and Xu 1966 | |
Diholkorhynchia sinensis Koken 1910
Nudirostralina subtrinodosi Yang and Xu 1966 | |
"Aulacothyris angustaeformis" = Sacothyris angustaeformis
"Aulacothyris angustaeformis" = Sacothyris angustaeformis Yang and Xu 1966 | |
Angustothyris angustaeformis Boekh 1872 | |
Polychaeta | |
Cephalopoda | |
| |
"Michelinoceras cf. nyalamense" = Pseudotemperoceras nyalamense
"Michelinoceras cf. nyalamense" = Pseudotemperoceras nyalamense Chen 1981 | |
Gastropoda | |
| |
Triassocirrus moellendorfi Koken 1900 snail
Triassocirrus guizhouensis Yin and Yochelson 1983 snail | |
Zygites rotundinodosa snail | |
Neritaria sp. n. sp.
| |
Bivalvia | |
Praechlamys schroeteri scallop | |
Newaagia multicostata scallop
Newaagia sessilis scallop | |
Mysidioptera (Mysidioptera) punctata Chen 1976 file clam
Palaeolima subcostata file clam | |
Pseudoplacunopsis sp. n. sp.
| |
Entolium discites Schlotheim 1820 scallop | |
Cassianella simplex Chen 1976 oyster | |
Ostreoidea sp. n. gen. n. sp.
| |
Elegantinia sp. n. sp., Elegantinia elegans
Elegantinia elegans Dunker 1849 clam |