Xiaoyuanchong (Douling Fm, Upper Mb), Yuanjia, Jiahe (Permian of China)

Where: Hunan, China (25.8° N, 113.0° E: paleocoordinates 5.8° N, 102.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Douling Formation), Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified mudstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: Z.J. Fang. 1987. Bivalves from the upper part of the Permian in southern Hunan, China. Collection of Postgraduate Theses of the Nanjing Institute of Geology and Palaeontology, Academia Sinica 1987(1):349-411 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107820: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculida - Nuculidae
Nuculopsis wymmensis
Nuculopsis wymmensis Keyserling 1846 nut clam
 Nuculanida - Polidevciidae
Phestia hunanensis
Phestia hunanensis Ku and Chen 1963 clam
 Nuculanida - Malletiidae
Palaeoneilo guizhouensis, Palaeoneilo shaoyangensis, Palaeoneilo leiyangensis, Palaeoneilo symmetricus, Palaeoneilo mcchesneyana
Palaeoneilo guizhouensis Chen and Lan 1976 clam
Palaeoneilo symmetricus Fang 1987 clam
Palaeoneilo mcchesneyana Girty 1910 clam
 Mytilida - Mytilidae
Promytilus semiorbicularis n. sp.
Promytilus semiorbicularis n. sp. Fang 1987 mussel
 Pectinida - Pseudomonotidae
? Pachypteria obliqua n. sp.
? Pachypteria obliqua n. sp. Fang 1987 scallop
 Pectinida - Limatulinidae
? Limatulina hunanensis n. sp.
? Limatulina hunanensis n. sp. Fang 1987 scallop
 Pectinida - Aviculopectinidae
Paradoxipecten opisthoclinus, Paradoxipecten jiaheensis, Paradoxipecten flabelliformis n. sp., Aviculopecten xiaoyuanchongensis n. sp.
Paradoxipecten opisthoclinus Zhang 1981 scallop
Paradoxipecten jiaheensis Zhang 1981 scallop
Paradoxipecten flabelliformis n. sp. Fang 1987 scallop
Aviculopecten xiaoyuanchongensis n. sp. Fang 1987 scallop
 Pectinida - Heteropectinidae
Etheripecten sichuanensis
Etheripecten sichuanensis Chen et al. 1974 scallop
 Pectinida - Limidae
"Lima" xiangnanensis n. sp., "Lima" tenuilineata n. sp., "Lima" nana n. sp., "Lima" clathrata n. sp., "Lima" cf. clathrata
"Lima" xiangnanensis n. sp. Fang 1987 file clam
"Lima" tenuilineata n. sp. Fang 1987 file clam
"Lima" nana n. sp. Fang 1987 file clam
"Lima" clathrata n. sp. Fang 1987 file clam
"Lima" cf. clathrata Fang 1987 file clam
 Pectinida - Euchondriidae
Euchondria jiaheensis n. sp., Euchondria jingxianensis, Euchondria sinensis, Crenipecten exilis, Crenipecten lianyuanensis
Euchondria jiaheensis n. sp. Fang 1987 scallop
Euchondria jingxianensis Gu and Liu 1976 scallop
Euchondria sinensis Frech 1911 scallop
Crenipecten exilis Liu 1976 scallop
Crenipecten lianyuanensis Fang 1987 scallop
 Pectinida - Entoliidae
Pernopecten symmetricus
Pernopecten symmetricus Newell 1940 scallop
ssp. curtus
 Ostreida - Bakevelliidae
Permoperna trapezoidalis, "Bakevellia ceratophaga" = Bakevellia (Bakevellia) ceratophaga, Ensipteria radistriata, Ensipteria praeangusta
Permoperna trapezoidalis Kayser 1883 oyster
"Bakevellia ceratophaga" = Bakevellia (Bakevellia) ceratophaga von Schlotheim 1816 oyster
Ensipteria radistriata Zhang 1977 oyster
Ensipteria praeangusta Frech 1911 oyster
 Ostreida - Ostreidae
? Lopha murakamii
? Lopha murakamii Nakazawa and Newell 1968 oyster
 Arcida - Parallelodontidae
"Grammatodon (Cosmetodon) tenuistriatus" = Parallelodon tenuistriatus, "Grammatodon (Cosmetodon) cf. tenuistriatus" = Parallelodon tenuistriatus
"Grammatodon (Cosmetodon) tenuistriatus" = Parallelodon tenuistriatus Meek and Worthen 1866 clam
ssp. lianyuanensis
"Grammatodon (Cosmetodon) cf. tenuistriatus" = Parallelodon tenuistriatus Meek and Worthen 1866 clam
 Pholadomyida - Edmondiidae
Edmondia tiesseni, Edmondia rotunda, Edmondia nebrascensis
Edmondia tiesseni Frech 1911 clam
Edmondia rotunda Beede 1907 clam
Edmondia nebrascensis Geinitz 1866 clam
 Cardiida - Kalenteridae
Stutchburia jiangxiensis, Netschajewia fenghaiensis, Stutchburia modioliformis, Stutchburia hunanensis, Gujocardita obesa n. sp., Gujocardita subquadrata n. sp., Gujocardita oblonga n. sp., Gujocardita elliptica
Stutchburia jiangxiensis Gu and Liu 1976 clam
Stutchburia hunanensis Fang 1987 clam
Gujocardita obesa n. sp. Fang 1987 clam
Gujocardita subquadrata n. sp. Fang 1987 clam
Gujocardita oblonga n. sp. Fang 1987 clam
Gujocardita elliptica Fang 1987 clam
 Cardiidia - Sanguinolitidae
"Wilkingia komiensis" = Myonia komiensis
"Wilkingia komiensis" = Myonia komiensis Maslennikov 1935 clam
 Carditida - Astartidae
Astartella doulingensis, Astartella nasuta
Astartella nasuta Girty 1909 clam
 Trigoniida - Schizodidae
Schizodus guizhouensis, Schizodus subquadratus
Schizodus guizhouensis Liu and Xu 1976 clam
Schizodus subquadratus Grabau 1931 clam