Bangtoupo F17, 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 31613: 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
  - Solenoporaceae
Solenopora sp. Dybowski 1877
Solenopora sp. A + calcareous red algae indet.
Crinoidea
 Encrinida - Encrinidae
Encrinus cf. liliiformis Lamarck 1801 Sea lily
 Isocrinida - Isocrinidae
Balanocrinus sp. n. sp. Agassiz 1847 Sea lily
n. sp. A
Echinoidea
 Cidaroida - Cidaridae
"Cidaris" lineola pencil urchin
Polychaeta
 Sabellida - Serpulidae
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
gen. et sp. indet.
Rhynchonellata
 Rhynchonellida - Norellidae
 Rhynchonellida - Cyclothyrididae
Costirhynchopsis sinensis Yang and Xu 1966
 Athyridida - Neoretziidae
 Spiriferinida - Bittnerulidae
Neocyrtina mixodeltidiumosa Yang and Xu 1966
Leiolepismatina semiconula Yang and Xu 1966
Thecocyrtelloidea tubulosa Yang and Xu 1966
 Spiriferinida - Lepismatinidae
Lepismatina hsui Wang 1955
 Spiriferinida - Balatonospiridae
Nudispiriferina minima Yang and Xu 1966
 Spiriferinida - Mentzeliidae
Mentzelia mentzeli Dunker 1851
Mentzelia subspherica Yang and Xu 1966
"Hirsutella multicostata" = Dagyssia multicostata Yang and Xu 1966
 Terebratulida - Dielasmatidae
"Adygella elongata" = Coenothyris elongata
"Adygella elongata" = Coenothyris elongata Yang and Xu 1966
 Terebratulida - Angustothyrididae
 Terebratulida - Zeilleriidae
"Aulacothyris angustaeformis" = Sacothyris angustaeformis
"Aulacothyris angustaeformis" = Sacothyris angustaeformis Yang and Xu 1966
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
gen. et sp. indet.
 Caenogastropoda - Coelostylinidae
Coelostylina liscaviensis Giebel 1856 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
gen. et sp. indet.
 Nuculanida - Polidevciidae
"Phestia (Polidevcia) subperlonga" = Polidevcia
"Phestia (Polidevcia) subperlonga" = Polidevcia clam
 Pectinida - Plicatulidae
Pseudoplacunopsis sp. n. sp. Bittner 1895 scallop
n. sp. A
 Ostreida -
Ostreoidea sp. n. gen. n. sp.
Ostreoidea sp. n. gen. n. sp. Rafinesque 1815 oyster
Ostreoidea n. gen. A; n. sp. A
 Ostreida - Posidoniidae
"Posidonia cf. wengensis" = Bositra wengensis
"Posidonia cf. wengensis" = Bositra wengensis Wissmann 1841 oyster
 Ostreida - Cassianellidae
 Cyrtodontida - Pichleriidae
Elegantarca subareata Chen 1976 clam