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Swiss Journal of Geosciences
Fig. 11 | Swiss Journal of Geosciences

Fig. 11

From: The Pliensbachian ammonites of the Algarve Basin (Portugal) and their palaeobiogeographical significance for the “Iberia-Newfoundland” conjugate margins

Fig. 11

Stratigraphic framework of the fossiliferous episodes with Pliensbachian ammonites in the Algarve Basin. The ages of the fossiliferous episodes are compared with the standard chronostratigraphic scale (chronozones, subchronozones and zonules) and with two biostratigraphic scales: (1) the Lusitanian scale of horizons and/or bioevents and (2) a Mediterranean scale (biozones and horizons and/or bioevents). Conventionally and in contrast to the names of the standard chronostratigraphic units, those of the biostratigraphic units are italicized

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