ChromistaNot EvaluatedacceptedspeciesAcceptedRestricted
Braarudosphaera stylifera
Troelsen & Quadros, 1971
GBIF:287604540
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Darwin Core Archive (ZIP)
GEOGRAPHY
Distribution Map
REGIONS
Geographic Distribution(1)
DISTRIBUTION. — This taxon is recorded in several middle Eocene outcrop and borehole sections in Belgium (Steurbaut in Herman et al. 2001 and in Smith et al. 2004; Steurbaut et al. 2015). In the Mont-des-Récollets section it consistently ranges from the uppermost part of the Brussel Sand Formation (base of Unit B 4) to the base of the Wemmel Sand Member. In terms of calcareous nannoplankton zones, its occurrence encompasses the upper part of NP 14 and the lower part of NP 15, as it appears to do in the Paris Basin (Aubry 1983, 1986) and the Aquitaine Basin (Lin et al. 2017). In the Paris Basin it seems to recur in the Bartonian (Chavençon Marls: NP 17 or NP 18, Aubry 1983: pl. 8, figs 10 - 11), although this has not been observed in the other basins.
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