Lasaila Mountain 75TFM18, Jiazhuzangbuzhi, Zhongba (Permian of China)

Where: Xizang, China (29.3° N, 83.5° E: paleocoordinates 55.0° S, 60.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lasaila Formation, Capitanian (264.3 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: Y.G. Jin and D. L. Sun. 1981. Paleozoic brachiopods from Xizang (Tibet). Paleontology of Xizang, Book III, The Series of the Scientific Expedition to the Qinghai-Xizang Plateau 127-171 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 110083: authorized by Matthew Clapham, entered by Matthew Clapham on 01.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Mytilidae
Volsellina yunnanensis Reed 1927 mussel
 Pectinida - Aviculopectinidae
 Pectinida - Pseudomonotidae
Pseudomonotis tibeticus n. sp. Chen 1982 scallop
 Pholadomyida - Edmondiidae
Edmondia cf. yachihoensis Grabau 1934 clam
 Cardiidia - Sanguinolitidae
Sanguinolites sp. M'Coy 1844 clam
Rhynchonellata
 Athyridida - Athyrididae
 Spiriferinida - Spiriferellinidae
 Spiriferida - Ambocoeliidae
Cruricella curvata n. sp. Jin and Sun 1981
 Spiriferida - Trigonotretidae
"Neospirifer kubeiensis" = Betaneospirifer neomarcoui
"Neospirifer kubeiensis" = Betaneospirifer neomarcoui Licharew 1942
 Spiriferida - Elythidae
Bullarina rostrata Jin and Sun 1981
 Rhynchonellida - Allorhynchidae
Allorhynchus ponduensis n. sp. Jin and Sun 1981
 Terebratulida - Notothyrididae
Notothyris simplex Waagen 1882
Strophomenata
 Productida - Richthofeniidae
Richthofenia lawrenciana de Koninck 1863
 Productida - Lyttoniidae
"Leptodus cf. tenuis" = Eolyttonia tenuis
"Leptodus cf. tenuis" = Eolyttonia tenuis Waagen 1883
 Productida - Strophalosiidae
"Wyndhamia circularis" = Biplatyconcha grandis
"Wyndhamia circularis" = Biplatyconcha grandis Waterhouse 1975
 Productida -
Marginifera zhongbaensis n. sp. Jin and Sun 1981
 Productida - Paucispiniferidae
 Productida - Linoproductidae
Cancrinella cancriniformis Tschernyschew 1889
 Productida - Productellidae
Chonetella nasuta Waagen 1884
Comuquia himalayaensis Jin and Sun 1981