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, 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 31611: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 20.05.2003, edited by Marcus Apel
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhodophyceae | |
| |
Anthozoa | |
Margarophyllia vortica Deng and Kong 1984 stony coral | |
Hexactinellida | |
? Hexactinoderma cf. roemeri glass sponge | |
Demospongiae | |
Hartmanina ? bangtoupoensis demosponge | |
Crinoidea | |
Balanocrinus sp. n. sp.
| |
Encrinus cf. liliiformis Lamarck 1801 Sea lily | |
Qingyanocrinus kueichounensis Dubatolova and Shao 1959 Sea lily | |
Echinoidea | |
"Cidaris" lineola pencil urchin | |
Gastropoda | |
| |
Allocosmia aff. grandis snail | |
Euzone sp. n. sp.
| |
Wortheniella conica snail | |
Eucycloscala obliquicostata Yin and Yochelson 1983 snail | |
Trypanostylus konincki Münster 1841 snail | |
Delphinulopsis binodosa Münster 1841 snail | |
Fossariopsis sinense Yin and Yochelson 1983 snail | |
Hologyra guizhoui Yin and Yochelson 1983 snail
Naticopsis (Naticopsis) signata Koken 1900 snail | |
Triassocirrus moellendorfi Koken 1900 snail | |
Bivalvia | |
| |
Palaeonucula qingyanensis Chen 1976 nut clam | |
Elegantinia elegans Dunker 1849 clam | |
Elegantarca subareata Chen 1976 clam | |
"Posidonia cf. wengensis" = Bositra wengensis
"Posidonia cf. wengensis" = Bositra wengensis Wissmann 1841 oyster | |
Cassianella qingyanensis oyster
Cassianella subcislonensis oyster
Cassianella simplex Chen 1976 oyster | |
Protostrea sinensis Hsu 1943 scallop | |
Palaeolima subcostata, Plagiostoma sp. n. sp.
Palaeolima subcostata file clam | |
Newaagia multicostata scallop | |
Praechlamys schroeteri scallop | |
Entolium discites Schlotheim 1820 scallop | |
Cephalopoda | |
| |
Brachiopoda | |
| |
Rhynchonellata | |
Neocyrtina mixodeltidiumosa Yang and Xu 1966
Leiolepismatina semiconula Yang and Xu 1966 | |
Nudispiriferina minima Yang and Xu 1966 | |
"Hirsutella multicostata" = Dagyssia multicostata Yang and Xu 1966
Mentzelia mentzeli Dunker 1851
Mentzelia subspherica Yang and Xu 1966 | |
Schwagerispira fuchsi Koken 1900 | |
Angustothyris angustaeformis Boekh 1872 | |
Diholkorhynchia sinensis Koken 1910 | |
Bryozoa | |
| |
Polychaeta | |