The Ammonoidea of the Upper Chalk. Part 1

ABSTRACT PART I

A total of 34 species, assigned to 19 genera belonging to the suborders Phylloceratina, Lytoceratina and Ammonitina are described. One species is new. Nine are from the Upper Turonian, three from the Santonian (of which one is already present in the Coniacian), one from the Lower Campanian, 20 from the Upper Campanian and one from the Lower Maastrichtian.

RÉSUMÉ

Un total de 34 espèces, attribuées à 19 genres appartenant aux sous-ordres Phylloceratina, Lytoceratina et Ammonitina sont décrites. Une espèce est nouvelle. Neuf espèces proviennent du Turonien supérieur, trois du Santonien (dont une est déjà présente au Coniacien), une du Campanien inférieur, 20 du Campanien supérieur et une du Maastrichtien inférieur.

ZUSAMMENFASSUNG

Insgesamt 34 Arten zugeordnet zu 19 Gattungen, die zu den Unterordnungen Phylloceratina, Lytoceratina und Ammonitina gehören, werden beschrieben. Eine Art ist neu. Neun sind aus dem Oberturonium, drei aus dem Santonium (von denen eine bereits im Coniacium vorhanden ist), eine aus dem Untercampanium, 20 aus dem Obercampanium und eine aus dem Untermaastrichtium.

АБСТРАКТ

Описано 34 вида, относящихся к 19 родам из подотрядов Phylloceratina, Lytoceratina и Ammonitina. Один вид является новым. Девять видов описано из верхнего турона, три из сантона (включая один, которые известен уже из коньякского уровня), один из нижнего кампана, 20 из верхнего кампана и один из нижнего маастрихта.

Edited by Y. Candela

Published by Taylor & Francis Group

William J. Kennedy

Oxford University Museum of Natural History,

Parks Road,

Oxford OX1 3PW

and

University of Oxford,

Department of Earth Sciences,

South Parks Road,

Oxford OX1 3AN

e-mail: [email protected]

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