Where: Russian Federation (49.4° N, 137.3° E: paleocoordinates 52.6° N, 145.3° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Late/Upper Aalenian to Late/Upper Aalenian (175.6 - 168.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified, red chert
Size class: microfossils
Preservation: original silica
Collection methods: chemical, hydroflouric,
Primary reference: I. M. Popova, P. O. Baumgartner, A. N. Filippov and A. I. Khanchuk. 1999. Jurassic and Early Cretaceous Radiolaria of the Lower Amurian Terrane: Khabarovsk region, Far East of Russia. The Island Arc 8(4):491-522 [W. Kiessling/W. Kiessling/W. Kiessling]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 51600: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
|
Eucyrtidiellum quinatum radiolarian | |
|
? Unuma sp. Ichikawa and Yao 1976 radiolarian | |
Linaresia chrafatensis, Transhsuum hisuikyoense, ? Parahsuum sp., Parahsuum hiconocosta, Hsuum matsuokai
Linaresia chrafatensis radiolarian
Transhsuum hisuikyoense Isozaki and Matsuda 1985 radiolarian
? Parahsuum sp. Yao 1982 radiolarian
Parahsuum hiconocosta Baumgartner and De Wever 1995 radiolarian
Hsuum matsuokai Isozaki and Matsuda 1985 radiolarian | |
|
Hexastylus sp. Haeckel 1881 radiolarian | |
|
? Homoeoparonaella sp. Baumgartner 1980 radiolarian | |
|
Praeconocaryomma sp. Pessagno 1976 radiolarian | |
|
? Pseudocrucella sp. Baumgartner 1980 radiolarian | |
|
| |