Also known as Andai-Sayr
Where: Mongolia (45.1° N, 101.6° E: paleocoordinates 46.2° N, 101.7° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Anda-Khuduk Formation, Aptian (125.0 - 113.0 Ma)
• "paper shales" level
• bed-level stratigraphic resolution
Environment/lithology: lacustrine; shale
Size classes: macrofossils, mesofossils
Preservation: adpression
Collected by Charles P. Berkey & F.K. Morris; reposited in the AMNH
Collection methods: quarrying, surface (float), surface (in situ), mechanical,
• " These were specimens were collected by Messrs. CharlesP. Berkey and F.K. Morris, on the Third Asiatic Expedition of the Museum."
Primary reference: T. D. A. Cockerell. 1924. Fossils in the Ondai Sair Formation Mongolia. Bulletin of the American Museum of Natural History 51:129-144 [M. Clapham/J. Karr]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 138728: authorized by Matthew Clapham, entered by Jered Karr on 26.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Ginkgoopsida | |
Czekanowskia sp. Heer 1876 | |
Insecta | |
"Chironomopsis gobiensis n. sp." = Chironomaptera gobiensis
"Chironomopsis gobiensis n. sp." = Chironomaptera gobiensis Cockerell 1924 phantom midge several specimens
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Indusia reisi n. sp.
Indusia reisi n. sp. Cockerell 1924 caddisfly | |
Trichopterella torta n. gen. n. sp.
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Ephemeropsis melanurus n. sp. Cockerell 1924 mayfly | |
? Cymatophlebia mongolica n. sp.
? Cymatophlebia mongolica n. sp. Cockerell 1924 true dragonfly 2 specimens from "parcel" 64 and 1 from 79
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Phyllocladineae | |
Phyllocladites morrisi Cockerell 1924 |