Xiaosanjiazi, Wujiatun Formation, Ke'erqin Youyi Qianqi (Permian to of China)

Where: Nei Mongol, China (46.4° N, 121.4° E: paleocoordinates 35.3° N, 103.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wujiatun Formation, Wordian to Wordian (266.9 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: S. Z. Guo. 1980. Tetracoralla. Paleontological Atlas of Northeast China 1:106-152 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 109610: authorized by Matthew Clapham, entered by Matthew Clapham on 18.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Hapsiphyllidae
Allotropiophyllum cf. sinense Grabau 1928 horn coral
 Stauriida - Antiphyllidae
Lytvolasma ellipticum Wu 1975 horn coral
Bivalvia
 Pectinida - Aviculopectinidae
 Pectinida - Heteropectinidae
"Deltopecten lata" = Etheripecten latus2
"Deltopecten lata" = Etheripecten latus2 Fletcher 1929 scallop
 Pectinida - Streblochondriidae
Guizhoupecten xiaosanjiarensis n. sp.2 Liang 1980 scallop
Strophomenata
 Orthotetida - Derbyiidae
"Orthotetes regularis" = Derbyia regularis1
"Orthotetes regularis" = Derbyia regularis1 Waagen 1884
 Productida - Productellidae
Paramarginifera rugulosus n. sp.1 Lee and Gu 1980
Paramarginifera jilinensis n. sp.1 Lee and Gu 1980
Paramarginifera clarkei1 Tschernyschew 1902
Paramarginifera zesiensis1 Lee and Gu 1976
 Productida - Productidae
Yakovlevia complanata n. sp.1 Lee and Gu 1980
"Horridonia timanica" = Sowerbina timanica1 Stuckenberg 1875
Horridonia horrida1 Sowerby 1822
Horridonia regularis n. sp.1 Lee and Gu 1980
 Productida - Echinoconchidae
Waagenoconcha punctulata n. sp.1 Lee and Gu 1980
 Productida - Linoproductidae
Cancrinella koninckiana1 Keyserling 1846
Linoproductus rugiformis1 Lee and Gu 1980
Rhynchonellata
 Rhynchonellida - Rhynchoporidae
Rhynchopora solonensis n. sp.1 Lee and Su 1980
 Spiriferinida - Licharewiidae
Licharewia voengaensis1 Licharew 1934