Bangtoupo F19, 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, 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
 Cladida - Qingyanocrinidae
Qingyanocrinus kueichounensis Dubatolova and Shao 1959 Sea lily
 Encrinida - Encrinidae
Encrinus cf. liliiformis Lamarck 1801 Sea lily
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
gen et sp. indet.
 Euomphalina -
Triassocirrus guizhouensis Yin and Yochelson 1983 snail
 Neritoidea - Neritariidae
Neritaria sp. n. sp. Koken 1892 snail
n. sp. B
 Pleurotomarioidea - Zygitidae
Cephalopoda
 Ammonoidea -
Ammonoidea indet. ammonite
gen et sp. indet.
 Orthocerida - Orthoceratidae
Bivalvia
 Trigoniida - Myophoriidae
Elegantinia sp. n. sp. Waagen 1907 clam
n. sp. A
Elegantinia elegans Dunker 1849 clam
 Ostreida -
Ostreoidea sp. n. gen. n. sp.
Ostreoidea sp. n. gen. n. sp. Rafinesque 1815 oyster
n. gen. A; n. sp. A
 Ostreida - Cassianellidae
Cassianella simplex Chen 1976 oyster
 Pectinida - Entoliidae
Entolium discites Schlotheim 1820 scallop
 Pectinida - Limidae
 Pectinida - Plicatulidae
Pseudoplacunopsis sp. n. sp. Bittner 1895 scallop
n. sp. A
 Pectinida - Terquemiidae
 Pectinida - Pectinoidae
Polychaeta
 Sabellida - Serpulidae
Rhynchonellata
 Spiriferinida - Laballidae
Paralepismatina semiconica Yang and Xu 1966
 Spiriferinida - Bittnerulidae
Leiolepismatina semiconula 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
"Hirsutella multicostata" = Dagyssia multicostata Yang and Xu 1966
Mentzelia mentzeli Dunker 1851
Mentzelia subspherica Yang and Xu 1966
 Rhynchonellida - Cyclothyrididae
Costirhynchopsis sinensis Yang and Xu 1966
Costirhynchopsis xingyiensis Yang and Xu 1966
 Rhynchonellida - Allorhynchidae
 Rhynchonellida - Norellidae
 Terebratulida - Angustothyrididae
 Terebratulida - Zeilleriidae
"Aulacothyris angustaeformis" = Sacothyris angustaeformis
"Aulacothyris angustaeformis" = Sacothyris angustaeformis Yang and Xu 1966
 Athyridida - Neoretziidae