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Cyclagelosphaera rotaclypeata

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Journal Article
Published: 01 April 2001
Micropaleontology (2001) 47 (2): 144–154.
... of Braarudosphaera bigelowii (Gran and Braarud) Deflandre 1947, and Cyclagelosphaera rotaclypeata Bukry 1969. Due to the presence of Futyania petalosa (Ellis and Lohmann) Varol 1989 and Prinsius dimorphosus (Perch-Nielsen) Perch-Nielsen 1971 as the youngest biostratigraphical markers, this horizon can be assigned...
Journal Article
Published: 01 July 2001
Journal of Micropalaeontology (2001) 20 (1): 45–80.
... is specifically dealt with under the LK13B section. Other short-lived quantitative datums within LK10A include common Crepidolithus burwellensis ( Fig. 12 ), common Tranolithus gabulus and abundant Cyclagelosphaera rotaclypeata . Acaenolithus galloisii is common throughout both LK10 and LK11. Subzone...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP382.7
EISBN: 9781862396463
...: Watznaueria barnesiae , Eprolithus floralis , Zeugrhabdotus erectus , Biscutum constans , Thoracosphaera spp., Prediscosphaera spp., Eiffellithus turriseiffeli and Cyclagelosphaera margerelii . These taxa represent between 91.5 and 98.6% of the total nannofloras. The calcareous nannoplankton...
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