Where: Svalbard Archipelago, Norway (79.2° N, 17.5° E: paleocoordinates 79.2° N, 17.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Tokammane Formation, Early/Lower Cambrian (538.8 - 509.0 Ma)
Environment/lithology: shoreface; lithified shale
Size class: microfossils
Preservation: original carbon
Collection methods: bulk, chemical,
Primary reference: A. H. Knoll and K. Swett. 1987. Micropaleontology across the Precambrian-Cambrian boundary in Spitsbergen. Journal of Paleontology 61(5):898-926 [P. Cohen/P. Cohen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 148617: authorized by Phoebe Cohen, entered by Phoebe Cohen on 23.07.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Leiosphaeridia sp. Eisenack 1958 | |
Bavlinella | |
Pterospermella | |
Prasinophytae | |
Comasphaeridium strigosum, Estiastra minima, Micrhystridium dissimilare, Micrhystridium lanatum, Micrhystridium tornatum, Granomarginata squamacea, Granomarginata prima, Lophosphaeridium truncatum, Trachysphaeridium timofeevi, Archaeodiscina umbonulata, Baltisphaeridium cerinum, Baltisphaeridium implicatum, Cymatiosphaera sp.
Comasphaeridium strigosum acritarchs
Estiastra minima Volkova 1969 acritarchs
Micrhystridium dissimilare Volkova 1969 acritarchs
Micrhystridium lanatum Volkova 1969 acritarchs
Micrhystridium tornatum Yin and Li 1978 acritarchs
Granomarginata squamacea acritarchs
Granomarginata prima Naumova 1961 acritarchs
Lophosphaeridium truncatum acritarchs
Trachysphaeridium timofeevi acritarchs
Archaeodiscina umbonulata acritarchs
Baltisphaeridium cerinum acritarchs
Baltisphaeridium implicatum acritarchs
Cymatiosphaera sp. Wetzel 1933 acritarchs |