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 and lithified marl
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 31625: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 20.05.2003, edited by Marcus Apel, Sabine Nürnberg and Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhodophyceae | |
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Anthozoa | |
Semidistichophyllum guizhouensis Deng and Kong 1984 stony coral
Margarophyllia vortica Deng and Kong 1984 stony coral
Neoconophyllia leidapoensis Deng and Kong 1984 stony coral | |
Polychaeta | |
Brachiopoda | |
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Rhynchonellata | |
Mentzelia mentzeli Dunker 1851
Mentzelia subspherica Yang and Xu 1966
"Hirsutella multicostata" = Dagyssia multicostata Yang and Xu 1966 | |
Lepismatina hsui Wang 1955 | |
Neocyrtina mixodeltidiumosa Yang and Xu 1966
Thecocyrtelloidea tubulosa Yang and Xu 1966 | |
"Cyrtina" indet. Davidson 1858 | |
Septaliphorioidea paucicostata Yang and Xu 1966 | |
Costirhynchopsis sinensis Yang and Xu 1966 | |
Nudirostralina subtrinodosi Yang and Xu 1966
Diholkorhynchia sinensis Koken 1910 | |
"Aulacothyris angustaeformis" = Sacothyris angustaeformis
"Aulacothyris angustaeformis" = Sacothyris angustaeformis Yang and Xu 1966 | |
"Adygella elongata" = Coenothyris elongata
"Adygella elongata" = Coenothyris elongata Yang and Xu 1966 | |
Angustothyris angustaeformis Boekh 1872 | |
Bryozoa | |
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Bivalvia | |
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Palaeonucula qingyanensis Chen 1976 nut clam | |
Modiolus (Modiolus) salzstettensis, "Botulopsis cf. cassiana" = Botulopsis reisi
Modiolus (Modiolus) salzstettensis Hohenstein 1913 mussel
"Botulopsis cf. cassiana" = Botulopsis reisi Waller 2005 mussel | |
Ostreoidea indet. n. gen. n. sp.
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Lopha sp. n. sp.
| |
Pteria caudata, Pteria cassiana, Pteria rugosa, Arcavicula sp. n. subgen. n. sp., Arcavicula (Arcavicula) guizhouensis
Pteria caudata pearl oyster
Pteria cassiana Bittner 1895 pearl oyster
Pteria rugosa Chen 1976 pearl oyster
Arcavicula (Arcavicula) guizhouensis pearl oyster | |
Gervillaria subelegans Chen 1976 oyster | |
Cassianella qingyanensis oyster
Cassianella subcislonensis oyster
Cassianella simplex Chen 1976 oyster | |
"Posidonia cf. wengensis" = Bositra wengensis
"Posidonia cf. wengensis" = Bositra wengensis Wissmann 1841 oyster | |
Atrina sp. n. sp.
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Plagiostoma sp. n. sp.
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Leptochondria plana scallop
Leptochondria albertii Goldfuss 1838 scallop | |
Pseudoplacunopsis sp. n. sp.
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Placunopsis subplana scallop | |
Praechlamys schroeteri scallop
Pleuronectites difformis Chen 1976 scallop | |
Newaagia multicostata scallop
Newaagia sessilis scallop | |
Protostrea sinensis Hsu 1943 scallop | |
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Elegantarca subareata Chen 1976 clam | |
Opinae indet. n. gen. n. sp.
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Schafhaeutlia astartiformis Münster 1841 clam | |
Costatoria multiformis, "Quadratia quadrata" = Guizhoumyophoria quadrata, Elegantinia kulunensis, Elegantinia sp. n. sp., Elegantinia elegans
"Quadratia quadrata" = Guizhoumyophoria quadrata Yin 1974 clam
Elegantinia elegans Dunker 1849 clam | |
Scaphopoda | |
Laevidentalium bangtoupoensis tusk shell | |
Gastropoda | |
Gastropoda indet., "Omphaloptycha gregaria" = Buccinites gregarius
"Omphaloptycha gregaria" = Buccinites gregarius Schlotheim 1820 snail | |
Triassocirrus applanatus Kutassy 1937 snail | |
Coelostylina liscaviensis, "? Siphonophyla sp." = Coelostylina (Siphonophyla), Coelostylina ahlburgi
Coelostylina liscaviensis Giebel 1856 snail
Coelostylina ahlburgi Assmann 1924 snail | |
Cheilotomona pentagonum Yu et al. 1974 snail | |
"Natiria striatocostata" = Ladinaticella striatocostata
"Natiria striatocostata" = Ladinaticella striatocostata Braun 1841 snail | |
Delphinulopsis binodosa Münster 1841 snail | |
Pachyomphalus sp. n. sp.
| |
"Riselloidea sp. n. sp." = Calliotropis (Riselloidea), Riselloidea guizhouensis, Eucycloscala sp. n. sp., Eucycloscala sp. n. sp., Eucycloscala obliquicostata, Eucycloscala binodosa
Riselloidea guizhouensis Yu et al. 1974 snail
Eucycloscala obliquicostata Yin and Yochelson 1983 snail
Eucycloscala binodosa Münster 1841 snail | |
Discohelicidae indet. n. gen. n. sp.
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Allocosmia cf. turricula Assmann 1937 snail | |
Murchisoniidae indet. n. gen. n. sp.
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Sisenna sp. n. sp., ? Sisenna sp. n. sp.
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Dictyotomaria triassica Yin and Yochelson 1983 snail | |
Wortheniella conica, Wortheniella hausmanni, Wortheniella johannisaustriae, Wortheniella nuda, Wortheniella sp. n. sp., Wortheniella indet.
| |
Hologyra guizhoui Yin and Yochelson 1983 snail
Naticopsis (Naticopsis) signata Koken 1900 snail
Naticopsis (Naticopsis) ladina Kittl 1892 snail | |
Neritaria sp. n. sp., Neritaria sp. n. sp.
| |
Cephalopoda | |
Crinoidea | |
Qingyanocrinus kueichounensis Dubatolova and Shao 1959 Sea lily | |
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Encrinus cf. liliiformis Lamarck 1801 Sea lily | |
Bangtoupocrinus kokeni Stiller 2000 Sea lily | |
Echinoidea | |
"Cidaris" wissmanni Desor 1847 sea urchin | |
"Cidaris" bangtoupoensis pencil urchin
"Cidaris" lineola pencil urchin
"Cidaris" venustespinosa pencil urchin |