Dezhong Section, 21P5, Yangmugang (Jurassic of China)

Also known as Lhasa Basin

Where: Tibet, China (30.2° N, 92.2° E: paleocoordinates 14.0° N, 88.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Member (Yeba Formation), Toarcian (182.7 - 174.1 Ma)

• "upper part of the Lower unit of the Dezhong section (=Jialapu Formation of Wang 1984)" (Yin & Grant-Mackie 2005)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; mudstone

Size class: macrofossils

Primary reference: J. Yin and J. A. Grant-Mackie. 2005. Late Triassic–Jurassic bivalves from volcanic sediments of the Lhasa block, Tibet. New Zealand Journal of Geology and Geophysics 48:555-576 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 201839: authorized by Alex Dunhill, entered by Bethany Allen on 03.06.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
Grammatodon sp. Meek and Hayden 1860 clam
 Myalinida - Inoceramidae
Retroceramus sp. Koschelkina 1958 clam
 Pectinida - Pectinoidae
"Propeamussium donaiense" = Pecten (Amussium) donaiensis
"Propeamussium donaiense" = Pecten (Amussium) donaiensis Mansuy 1914 scallop
 Pectinida - Limidae
Limatula sp. Wood 1839 file clam
 Ostreida - Bakevelliidae
Kobayashites hayamii Yin 1988 oyster
Aguilerella sp. Chavan 1951 oyster
 Pholadida - Corbulidae
Lhasanella lhasaensis n. gen. n. sp.
Lhasanella lhasaensis n. gen. n. sp. Yin and Grant-Mackie 2005 clam
 Pholadida - Ceratomyidae
Myopholas sp. Douvillé 1908 clam
 Pholadida - Pleuromyidae
Pleuromya sp. Agassiz 1845 clam
 Trigoniida - Myophorelloidae
Myophorella sp. Bayle 1878 clam
 Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789 clam
 Nuculida - Nuculidae
Palaeonucula sp. Quenstedt 1930 nut clam