Where: City of St. Petersburg, Russian Federation (59.8° N, 30.3° E: paleocoordinates 36.0° S, 0.6° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Asaphus raniceps trilobite zone, Kunda (469.2 - 464.3 Ma)
• exact stratigraphic horizon is not given;
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•Given other information, this is almost certainly the Obukhovo formation.
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•Jaanusson & Bassetts specimens are from "Voka Beds", BIIIbeta
• group of beds-level stratigraphic resolution
Environment/lithology: wackestone and packstone
Size class: macrofossils
Primary reference: D. E. Evans and J.C.W. Cope. 2003. Systematic position of Pollicina corniculum (Eichwald, 1860) (Mollusca, Tergomya) from the Middle Ordovician of the United Kingdom. Palaeontology 46(1):139-149 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 89463: authorized by Björn Kröger, entered by Torsten Liebrecht on 22.05.2009, edited by Pete Wagner and Björn Kröger
Creative Commons license: CC BY (attribution)
Taxonomic list
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•Koken's B3 snails put here.
Tergomya | |
"Cyrtolithes corniculum n. sp." = Pollicina corniculum
"Cyrtolithes corniculum n. sp." = Pollicina corniculum d'Eichwald 1860 4/22 (hololectotype), 4/23 (paralectotype); both specimens have been assigned to Cyrtoceras laeve by Eichwald (1842)
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Gastropoda | |
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"? Holopea nitida" = Straparollina nitida2
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"Worthenia initialis n. sp." = Lophospira milleri2, "Gonionema gradatum" = Proturritella bicarinata2, "Polytropis cingulata n. sp." = Proturritella cingulata2
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"Mourlonia mjoesa n. sp." = Deacheospira mjoesa2
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Brachytomaria plautini n. sp.2
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"Raphistoma qualteriata" = Pararaphistoma qualteriata2
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Paragastropoda | |
Clisospira ingrica n. sp.2
Clisospira ingrica n. sp.2 Koken 1897 | |
Rhynchonellata | |
"Orthambonites calligramma" = Orthambonites calligramme1
"Orthambonites calligramma" = Orthambonites calligramme1 Dalman 1828 |