Shaiwa Section (Lower), Ziyun County (Permian of China)

Where: Guizhou, China (25.6° N, 106.2° E: paleocoordinates 1.2° N, 97.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Shaiwa Formation, Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified mudstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: F. Q. Yang and Y. Q. Gao. 2000. Late Permian deep water strata and bivalves of south Guizhou. Journal of Graduate School, China University of Geosciences 14(3):327-332 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 121006: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo guizhouensis Chen and Lan 1976 clam
 Solemyida - Solemyidae
"Solemya biarmica" = Dystactella biarmica
"Solemya biarmica" = Dystactella biarmica de Verneuil 1845 Awning Clam
 Nuculida - Nuculidae
Nuculopsis wymmensis Keyserling 1846 nut clam
Nuculopsis aff. darlingensis Dickins 1963 nut clam
 Pectinida - Entoliidae
Pernopecten sichuanensis Chen et al. 1974 scallop
 Pectinida - Streblochondriidae
Guizhoupecten wangi Chen 1962 scallop
Streblochondria sp. Newell 1938 scallop
 Pectinida - Claraiidae
"Claraia guizhouensis" = Claraia shabaonica
"Claraia guizhouensis" = Claraia shabaonica Yang et al. 2001 scallop
 Pectinida - Hunanopectinidae
Hunanopecten exilis Zhang 1977 scallop
Hunanopecten qujiangensis Zhang 1977 scallop
 Pectinida - Limidae
Palaeolima minima Chen et al. 1974 file clam
 Myalinida - Myalinidae
 Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866 clam
 Mytilida - Mytilidae
"Modiolus" sp. Lamarck 1801 mussel
 Trigoniida - Schizodidae
Schizodus pinguis Waagen 1881 clam
Schizodus cf. schlotheimi Geinitz 1841 clam
 Carditida - Astartidae
Astartella cf. symmetrica Chen et al. 1974 clam
 Cardiidia - Sanguinolitidae
 Pholadomyida - Edmondiidae
Edmondia sp. de Koninck 1841 clam