法国Rochefort-en-Valdaine地区(Drôme，上白垩统，上Turonian) Prionocyclus germari带的氨类动物群

IF 1.5 4区地球科学 Q2 GEOLOGY

Carnets De Geologie Pub Date : 2018-01-12 DOI:10.4267/2042/69401

C. Baudouin, G. Delanoy, C. Ifrim, J. Moreno-Bedmar

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引用次数: 0

摘要

本文详细描述了法国Rochefort-en-Valdaine (Drome, France)晚Turonian期氨类动物群，并研究了vocontieras vocontinense Diebold et al.， 2018的种内变异性。氨类组合(已鉴定的9个分类群)沉积在德国确定的德国Prionocyclus germari带内，现在在法国东南部也有记录。此外，异型ammonoids Hyphantoceras (Hyphantoceras) flexuosum (Schluter)和Hyphantoceras (Hyphantoceras) ernsti Wiese的共存表明了德国Prionocyclus带的下部。

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The ammonoid fauna of the Prionocyclus germari Zone (upper Turonian, upper Cretaceous) from Rochefort-en-Valdaine (Drôme, France)

The late Turonian ammonoid fauna of Rochefort-en-Valdaine (Drome, France) is herein described in detail and the intraspecific variability of Vocontiiceras vocontiense Diebold et al., 2018, is studied. The ammonoid assemblage (9 taxa identified) was deposited within the Prionocyclus germari Zone, which was defined in Germany, and is now also documented in southeastern France. Moreover, the co-occurrence of the heteromorph ammonoids Hyphantoceras (Hyphantoceras) flexuosum (Schluter) and Hyphantoceras (Hyphantoceras) ernsti Wiese indicates the lower part of the Prionocyclus germari Zone.

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