Huangzhishan section, upper bed 12, Huzhou city (Permian of China)

Where: Zhejiang, China (30.9° N, 120.0° E: paleocoordinates 17.3° N, 101.9° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Clarkina meishanensis conodont zone, Huangzhishan Formation, Changhsingian (254.2 - 252.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified mudstone

• nearshore, shallow water, subtidal, low-energy environment
• brown-green, medium bedded, calcareous mudstone

Size class: macrofossils

Primary reference: Z. Q. Chen, G. R. Shi, and K. Kaiho. 2004. New ophiuroids from the Permian/Triassic boundary beds of South China. Palaeontology 47(5):1301-1312 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60533: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.05.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• bed 12 is a Mixed Fauna Bed with Permian-type brachiopods and Triassic-type bivalves
Show authors, comments, and common names
Bivalvia
 Ostreida - Bakevelliidae
"Oxytoma scythicum" = Towapteria scythica, Bakevellia costata
"Oxytoma scythicum" = Towapteria scythica Wirth 1936 oyster
Bakevellia costata Schlotheim 1820 oyster
 Ostreida - Pteriidae
Pteria ussurica
Pteria ussurica Kiparisova 1938 pearl oyster
subspecies rariabilis
 Pectinida - Aviculopectinidae
Ornithopecten sp.
Ornithopecten sp. Cox 1961 scallop
 Pectinida - Hunanopectinidae
Leptochondria virgalensis
Leptochondria virgalensis Wittenburg 1908 scallop
 Pectinida - Entoliidae
Entolium discites
Entolium discites Schlotheim 1820 scallop
subspecies microtis
 Pectinida - Pectinoidae
Chlamys (Praechlamys) wuxingensis
 Myalinida - Myalinidae
Promyalina sp.
Promyalina sp. Kittl 1903 clam
Rhynchonellata
 Spiriferida - Ambocoeliidae
"Orbicoelia speciosa" = Speciothyris speciosa
"Orbicoelia speciosa" = Speciothyris speciosa Wang 1955
 Orthida - Schizophoriidae
Kotlaia strophiria
Kotlaia strophiria Xu and Grant 1994
Strophomenata
 Productida -
Spinomarginifera kueichowensis
 Productida - Productellidae
"Paryphella triquetra" = Paryphella orbicularis
"Paryphella triquetra" = Paryphella orbicularis Liao 1980
 Strophomenida - Rugosochonetidae
"Tethyochonetes soochowensis" = Fusichonetes soochowensis, "Tethyochonetes quadrata" = Fusichonetes quadrata
"Tethyochonetes soochowensis" = Fusichonetes soochowensis Chao 1928
"Tethyochonetes quadrata" = Fusichonetes quadrata Zhan 1979
Ophiuroidea
 Ophiurida - Ophiuridae
Huangzhishania permotriassica n. gen. n. sp.
Huangzhishania permotriassica n. gen. n. sp. Chen et al. 2004 brittle star
Blastoidea
  -
Blastoidea indet.
Blastoidea indet. Say 1825 blastoid