Vascoceratid ammonites from the type Turonian

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• Publication: Palaeontology (Journal) Article

Vascoceratid ammonites from the type Turonian

• Volume / Part: 22 / 3
• Publication Date: July 1979
• Page(s): 665 - 683
• Authored By: W. J. Kennedy and C. W. Wright

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Vascoceralid ammonites are not uncommon in the earliest mid Turonian fauna of the stratotype in Touraine, France, in marked contrast to their general scarcity elsewhere in the north-west European Cretaceous. Present are numerous Neoptychites cephalotus (Courtiller) (of which N. telinga (Stoliczka), N. xetra (Stoliczka), N. telingaeformis (Solger)), N. crassus (Solger), N. perovalis Von Koenen. and N. gourguechoni Pervinquiere are considered synonyms), rare N. xetriformis Pervinquiere, Fagesia rudra (Stoliczka), and Vascocerus sp. juv. These occurrences are discussed in terms of the north-south correlation of Boreal collignoniceratid and Tethyan vasco-ceratid faunas, especially those of the Iberian Peninsula, where they characterize Zones VI-VII of Wiedmann's (1959, 1964) standard sequence.

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Palaeontology - Volume 22 Part 3 Pages 665-683



Palaeontology - Volume 22 Part 3 Pages 665-683

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Citations

KENNEDY, W. J., WRIGHT, C. W. 1979. Vascoceratid ammonites from the type Turonian. Palaeontology, 22, 3, 665–683.