Where: Ryazan, Russian Federation (54.2° N, 39.0° E: paleocoordinates 47.5° N, 42.0° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Riasanites rjasanensis ammonoid zone, Berriasian (145.0 - 139.8 Ma)
• Ryazanian
• bed-level stratigraphic resolution
Environment/lithology: marginal marine; lithified, glauconitic sandstone
Size class: macrofossils
Primary reference: P. A. Gerasimov. 1960. Gubki podmoskovskoy yury u nizhnego mela [Jurassic and Lower Cretaceous sponges of the Moscow region]. Materialy po Geologii i Poleznym Ickopayemym Tsentral'nykh Rayonov Evropeyskoy Chasti SSSR 3:5-63 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 116453: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Demospongiae | |
Paraaplysinofibria bolchovitinovae n. gen. n. sp., Riasanospongia michailovensis n. gen. n. sp.
Paraaplysinofibria bolchovitinovae n. gen. n. sp. Gerasimov 1960 demosponge
Riasanospongia michailovensis n. gen. n. sp. Gerasimov 1960 demosponge | |