large specimen with a narrow pelaga
large specimen with a narrow pelaga
large specimen with a narrow pelaga
very large specimen with a medium-wide pelaga
large specimen with a narrow pelaga
Arkhangelskiella inclinata Reinhardt, 1965 [Holotype Length: 10.0µm; width of pelaga: <1.5µm]
Arkhangelskiella imperfossa Hoffmann, 1970 [Holotype Length: 11.0µm; width of pelaga: 1.5-2.0µm]
Arkhangelskiella cymbiformis Vekshina (1959) var. N Varol,1989 [Length: 8.0m; width of pelaga: <1.5µm] = Arkhangelskiella confusa Burnett, 1997
Discolithus octocentralis Stover, 1966 [Holotype Length: 11.0µm; width of pelaga: <1.5µm]
Arkhangelskiella cymbiformis Vekshina (1959) var. W, Varol, 1989 [Length: 10.0m; width of pelaga: >2.0µm] = Arkhangelskiella maastrichtiana Burnett, 1997
Species of Arkhangelskiella having a central area without any perforation. The variant of this species based on overall size and the width of the pelaga may prove to be useful for local correlations (Varol, 1989). The holotype is 10.0µm with a narrow pelaga.
Hoffmann, N., (1970): Taxonomische Untersuchungen an Coccolithen aus der Kreide Norddeutchlands anhand elektronenmikroskopischer Aufnamen. - Hercynia, 7(1-3): 163-198.
Reinhardt, P., (1965): Neue Familien für fossile Kalkflagellaten (Coccolithophoriden, Coccolithineen). - Monatsberichte der Deutschen Akademie der Wissenschaften zu Berlin. 7: 30-40.
Shumenko, S.I., (1969): Electron microscopy of Late Cretaceous coccoliths of the Russian Platform. - Paleontological Journal, 3(2): 3-14.
Stover, L.E., (1966): Cretaceous coccoliths and associated nannofossils from France and the Netherlands. - Micropaleontology, 12: 133-167.
Vekshina, V.N., (1959): Coccolithophoridae of the Maastrichtian deposits of the West Siberian lowlands. - Siberian Science Research Institute of Geology Geophysics Mineralogy and Raw Materials, 2: 56-81.
Varol, O., (1989): Quantitative analysis of the Arkhangelskiella cymbiformis group and its biostratigraphical usefulness in the North Sea area. - Journal of Micropalaeontology, 8: 131-134.
Vekshina, V.N., (1959): Coccolithophoridae of the Maastrichtian deposits of the West Siberian lowlands. - Siberian Science Research Institute of Geology Geophysics Mineralogy and Raw Materials, 2: 56-81.
Arkhangelskiella inclinata
Reinhardt, 1965
Germany