Where: Russian Federation (44.8° N, 132.8° E: paleocoordinates 37.5° N, 112.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Yastrebovka Formation, Changhsingian (254.2 - 252.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Primary reference: E. V. Boiko, G. V. Belyaeva, and I. T. Zhuravleva. 1991. Sphinktozoa Phanerozoya Territorii SSSR [Phanerozoic Sphinctozoa of the Territory of the USSR] 1-224 [W. Kiessling/B. Brenneis/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 102501: authorized by Matthew Clapham, entered by Matthew Clapham on 15.01.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Demospongiae | |
|
Amblysiphonella asiatica Yu 1934 demosponge
Amblysiphonella eleganta Belyaeva 1987 demosponge
Amblysiphonella vesiculosa de Koninck 1863 demosponge | |
|
Sollasia arta Belyaeva 1991 demosponge | |
"Polysiphonella insolita" = Belyaevaspongia insolita, Rhabdactinia columnaria
"Polysiphonella insolita" = Belyaevaspongia insolita Belyaeva 1991 demosponge
Rhabdactinia columnaria Yabe and Sugiyama 1934 demosponge | |
"Squamella lichatchevi n. gen. n. sp." = Imbricatocoelia lichatchevi
"Squamella lichatchevi n. gen. n. sp." = Imbricatocoelia lichatchevi Belyaeva 1991 demosponge | |