Also known as A-50 of Val'kov (1975), samples 5a/1, 5a/1.2, 5a/5, 5a/6, 5a/9, 5a/10.5, 5a/15, 5a/15.5, 5a/17.5, 5a/18.5, 5a/34.5, 5a/34.75
Where: Krasnoyarsk Krai, Russian Federation (70.7° N, 112.8° E)
• Paleocoordinates: 7.7° S, 74.1° W (Wright 2013)
• coordinate stated in text
When: Emyaksin Formation, Tommotian (525.5 - 521.0 Ma)
• Stage 2. Emyaksin is equivalent to Tommotian and upper Terreneuvian
Environment/lithology: gray, green, red lime mudstone and glauconitic, pebbly wackestone
Size class: mesofossils
Preservation: mold/impression, replaced with phosphate
Collected by Artem Kouchinsky, Stefan Bengston in 1996
• Reposited in Swedish Museum of Natural History (SMNH)
Primary reference: A. Kouchinsky, S. Bengtson, E. Landing, M. Steiner, M. Vendrasco and K. Ziegler. 2017. Terreneuvian stratigraphy and faunas from the Anabar Uplift, Siberia. Acta Palaeontologica Polonica 62(2):311-440 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 233198: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 20.01.2024
Creative Commons license: CC0 (CC0)
Taxonomic list
| Foraminifera | |
|
Platysolenites antiquissimus Eichwald 1860 | |
| Coeloscleritophora | |
|
Chancelloria symmetrica Vassiljeva 1985 | |
| Fomitchella infundibuliformis | |
"Fomitchella infundibuliformis" = Fomitchella infundabiliformis, "Fomitchella aff. infundibuliformis" = Fomitchella infundabiliformis
"Fomitchella infundibuliformis" = Fomitchella infundabiliformis Rozanov et al. 1969
"Fomitchella aff. infundibuliformis" = Fomitchella infundabiliformis Rozanov et al. 1969 | |
| Fomitchella | |
|
Fomitchella acinaciformis Missarzhevsky 1977
Fomitchella aff. acinaciformis Missarzhevsky 1977 | |
| Scyphozoa | |
Anabarites kelleri, Anabarites tristichus, Anabarites compositus, Anabarites hariolus, Anabarites hexasulcatus, Anabarites biplicatus, Selindeochrea missarzhevskyi, Selindeochrea cf. tecta, Selindeochrea tripartita, Selindeochrea ternaria
Anabarites kelleri Missarzhevsky 1989 jellyfish
Anabarites tristichus Rozanov et al. 1969 jellyfish
Anabarites compositus Rozanov et al. 1969 jellyfish
Anabarites hariolus Val'kov 1987 jellyfish
Anabarites hexasulcatus Missarzhevsky 1974 jellyfish
Anabarites biplicatus Missarzhevsky 1989 jellyfish
Selindeochrea missarzhevskyi Vasil’eva 1986 jellyfish
Selindeochrea cf. tecta Val'kov 1982 jellyfish
Selindeochrea tripartita Rozanov et al. 1969 jellyfish
Selindeochrea ternaria Rozanov et al. 1969 jellyfish | |
|
Hyolithellus sp. Billings 1872
Hyolithellus vladimirovae Rozanov and Missarzhevsky 1966 | |
| unclassified | |
|
Mollusca "problematic shell" Linnaeus 1758 Some similarity to "chitin-like scleritome of Ocruranus finial"
| |
| Helcionelloida | |
|
Aldanella cf. sibirica Parkhaev and Karlova 2011
Aldanella attleborensis Shaler and Foerste 1888 | |
Obtusoconus vostokovae, Obtusoconus cf. mirabilis, Oelandiella korobkovi, Tuoraconus sp., Anabarella plana, Securiconus cf. simus
Obtusoconus vostokovae Vassiljeva 1990
Obtusoconus cf. mirabilis Vasil'eva 1990
Oelandiella korobkovi Vostokova 1962
Tuoraconus sp. Missarzhevsky 1989
Anabarella plana Vostokova 1962
Securiconus cf. simus Luo et al. 1982 | |
| Aculifera | |
|
Halkieria sp. Poulsen 1967 | |
|
Lopochites sp. Qian 1977 | |
| Hyolitha | |
|
Orthothecida "operculum type C" Marek 1966 | |
|
Conotheca cf. mammilata Rozanov et al. 1969 | |