Bangtoupo F57, Qingyan, China (Triassic to of China)

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 marl 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 31630: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 20.05.2003, edited by Marcus Apel

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
  -
"Cidaris" wissmanni Desor 1847 sea urchin
Crinoidea
 Cladida - Qingyanocrinidae
Qingyanocrinus kueichounensis Dubatolova and Shao 1959 Sea lily
 Encrinida - Encrinidae
Encrinus cf. liliiformis Lamarck 1801 Sea lily
Bivalvia
 Ostreida -
Ostreoidea indet. n. gen. n. sp.
Ostreoidea indet. n. gen. n. sp. Rafinesque 1815 oyster
Ostreoidea n. gen. A, n. sp. A
 Ostreida - Cassianellidae
Cassianella sulcata oyster
Cassianella ecki sulcata
Cassianella simplex Chen 1976 oyster
 Pectinida - Limidae
Plagiostoma sp. n. sp. Sowerby 1814 file clam
Plagiostoma n. sp. A
 Pectinida - Hunanopectinidae
 Pectinida - Plicatulidae
Pseudoplacunopsis sp. n. sp. Bittner 1895 scallop
Pseudoplacunopsis n. sp. A
 Pectinida - Terquemiidae
Terquemiidae indet. n. gen. n. sp. Cox 1964 scallop
Terquemiidae gen. et sp. indet.
Newaagia sp. n. sp. Hertlein 1952 scallop
Newaagia n. sp. A
 Pectinida - Pectinoidae
 Nuculanida - Polidevciidae
"Phestia (Polidevcia) subperlonga" = Polidevcia
"Phestia (Polidevcia) subperlonga" = Polidevcia clam
Polychaeta
 Sabellida - Serpulidae
Rhynchonellata
 Spiriferinida - Bittnerulidae
Neocyrtina mixodeltidiumosa Yang and Xu 1966
 Spiriferinida - Lepismatinidae
Lepismatina hsui Wang 1955
 Spiriferinida - Balatonospiridae
Nudispiriferina minima Yang and Xu 1966
Qingyenia spinosa Yang and Xu 1966
 Spiriferinida - Mentzeliidae
Mentzelia mentzeli Dunker 1851
Mentzelia subspherica Yang and Xu 1966
 Rhynchonellida - Cyclothyrididae
Costirhynchopsis sinensis Yang and Xu 1966
 Rhynchonellida - Allorhynchidae
 Rhynchonellida - Norellidae
 Athyridida - Neoretziidae