Also known as Turga
Where: Nerchinsk, Russian Federation (50.8° N, 116.2° E: paleocoordinates 54.4° N, 114.9° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Turga Formation, Early/Lower Aptian (121.4 - 122.5 Ma)
• Correlative with the Zaza Formation and most likely with upper Yixian or lower Jiufotang Formation, therefore an Aptian (probably early Aptian) age.
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine; lithified, tuffaceous, blue mudstone
Size class: macrofossils
Preservation: mold/impression, adpression
Collected by Middendorf
Primary reference: E. Eichwald. 1864. Sur un terrain jurassique à poissons et insectes d'eau douce de la Sibérie orientale. Bulletin de la Société Géologique de France, Deuxième Série 21:19-25 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 142140: authorized by Matthew Clapham, entered by Jered Karr on 06.04.2013, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Actinopteri | |
"Pholidophorus macrorhynchus" = Aethalion macrorhynchus
"Pholidophorus macrorhynchus" = Aethalion macrorhynchus Eichwald 1846 | |
Gastropoda | |
Paludina pura Eichwald 1864 snail | |
Branchiopoda | |
Estheria middendorfi Jones 1862 clam shrimp | |
Insecta | |
Ephemeropsis trisetalis n. gen. n. sp.
Ephemeropsis trisetalis n. gen. n. sp. Eichwald 1864 mayfly |