Where: Nei Mongol, China (41.5° N, 107.0° E: paleocoordinates 42.5° N, 108.6° E)
When: Barremian to Barremian (129.4 - 122.5 Ma)
• lower part of middle unit of unnamed formation; 39Ar/40Ar dating yields age of 110.59±0.52 Ma for overlying basalts
Environment/lithology: lacustrine; tabular, brown, sandy claystone and sandy siltstone
Size class: microfossils
Collected in 1990
Collection methods: bulk,
Primary reference: D. A. Eberth, D. A. Russell, D. R. Braman and A. L. Deino. 1994. The age of the dinosaur-bearing sediments at Tebch, Inner Mongolia, People's Republic of China. Canadian Journal of Earth Sciences 30(10-11):2101-2106 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 46976: authorized by Matthew Carrano, entered by Matthew Carrano on 27.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
| Asteropollis | |
| Equisetopsida | |
|
Classopollis sp. Pflug 1953 | |
|
Foraminisporis sp. Krutzsch 1959 | |
| Alisporites | |
|
Alisporites sp. Daugherty 1941 | |
| Rugubivesiculites | |
|
Rugubivesiculites sp. Pierce 1961 | |
| Punctatisporites | |
|
Punctatisporites sp. Potonié and Kremp 1954 | |
| Pinopsida | |
|
Taxodiaceae indet. Saporta 1865 | |
|
Podocarpidites sp. Cookson 1947 podocarp | |
| Polycingulatisporites | |
|
Polycingulatisporites sp. Simoncsics and Kedves 1961 | |
| Polypodiopsida | |
|
Laevigatosporites sp. Ibrahim 1933 | |
|
Biretisporites sp. Delcourt et al. 1963 | |
|
Leptolepidites sp. Couper 1953 | |
| Pteridopsida | |
|
Deltoidospora sp. Miner 1935 | |
| Marchantiopsida | |
|
Stoverisporites sp. Norvick and Burger 1975 | |
| Ginkgoopsida | |
|
Ephedripites sp. Bolkhovitina and Potonié 1958 | |
|
Vitreisporites sp. Leschik 1955 | |
| Cycadopsida | |
|
Eucommiidites sp. Erdtman 1948 cycads | |
| Perotriletes | |
|
Perotriletes sp. Reyre 1966 | |