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Swiss Journal of Palaeontology
Fig. 12 | Swiss Journal of Palaeontology

Fig. 12

From: New biostratigraphical data (calcareous nannofossils, ammonites) and Early to Late Barremian transition in the Urgonien Jaune facies and Marnes de la Russille complex of the Swiss Jura Mountains

Fig. 12

Nannofloras from the Marnes de la Russille (MRu) in the La Sarraz–Les Buis quarry (LSB). In order to avoid very high numbers for nannofossil counts, a 0–100 based counting system is used. The numbers for individual species represent semi-quantitative count estimation of specimens/100 fields of view (FOV). Numbers from 1 to 20 represent the estimation of species per 100 FOV. Numbers above 20 are coded: 25 (one specimen/4FOV), 30 (one specimen/3FOV), 35 (one specimen/2FOV), 40 (one specimen/1FOV), 45 (two specimens/1FOV). The numbers for total abundance (in situ) estimation represent the number of specimens per 5 FOV

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