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Title: Particularités de la microfaune (Foraminifère) à la limite Carixien/Domérien de quelques gisements de la region de Coimbra (Portugal)
Authors: Ruget, Ch.
Keywords: Micropaleontology
Middle Lias
Issue Date: 13-Aug-2008
Abstract: The Middle Liassic outcrops of the Coimbra region (Portugal) show, at Carixian-Domerian boundary, an unusual high frequence of the Falsopalmula, morphogenus,that is generally well represented in the Lower Toarcian. The study of the Nodosaridea association shows that the massive presence of this morphogenus excludes the Lenticulina s. st. genus. These faunistic particularities should be ascribed to the environment and to the sedimentation pattern. The development of the Falsopalmula morphogenus should have been simultaneous to that of the pelitic sedimentation.
Appears in Collections:FCT: DCT - Ciências da Terra

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