Futyania petalosa
Set number: 2145
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Fig. 1. Oblique side view, 2.42µm; Fig. 2. Side view, 2.29µm; Fig. 3. Distal view, 2.13µm; Fig. 4. Proximal view, 2.04µm;
Set number: 1173
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10µm
in mobile mount
Set number: 1172
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10µm
in mobile mount
Toweius petalosus Ellis & Lohmann, 1973
This very small elliptical species is often observed under a light microscope, typically in side view, either as individual coccoliths or as complete coccospheres.
Ellis, C. H. & Lohmann, W. H. 1973. Toweius petalosus new species, a Paleocene calcareous nannofossil from Alabama. Tulane Studies in Geology and Paleontology 10: 107-110.
Varol, O. 1989c. Palaeocene calcareous nannofossil biostratigraphy. In: Crux, J. A. & van Heck, S. E. (Eds), Nannofossils and their applications. Proceedings of the 2nd INA Conference, London 1987. British Micropalaeontological Society Publication Series 265-310.
Holotype
Toweius petalosus
Ellis & Lohmann, 1973
Early Paleocene
West bank of the Tombigbee River below Demopolis Rooster Bridge on U.S. Highway 80, Sumter County, Alabama, USA