ABSTRACT
A total of 40 species, assigned to 17 genera, belonging to the Suborder Ancyloceratina are described. One species is new. Sixteen are from the Upper Turonian, nine from the Lower Campanian, and 15 from the Upper Campanian. Eight types of aptychi are described.
RESUMÉ
Au total 40 espèces, attribuées à 17 genres, appartenant au sous-ordre Ancyloceratina sont décrites. Une espèce est nouvelle. Seize espèces proviennent du Turonien supérieur, neuf du Campanien inférieur et 15 du Campanien supérieur. Huit type d’aptychi sont décrits.
ZUSAMMENFASSUNG
Insgesamt 40 Arten zugeordnet zu 17 Gattungen, die zur Unterordnung Ancyloceratina gehören, werden beschrieben. Eine Art ist neu. 16 sind aus dem Oberturonium, neun aus dem Untercampanium und 15 aus dem Obercampanium. Acht Typen von Aptychi werden beschrieben.
АБСТРАКТ
Всего в работе описано 40 видов, принадлежащих к 17 родам подотряда Ancyloceratina. Один вид является новым. 16 видов установлены в отложениях верхнего турона, девять в нижнем и 15 в верхнем кампане. Восемь типов аптихов также описаны в настоящей работе.
Published by Taylor & Francis Group
Edited by Y. Candela
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]
KENNEDY, Upper Chalk ammonites PLATE 38
KENNEDY, Upper Chalk ammonites PLATE 39
KENNEDY, Upper Chalk ammonites PLATE 40
KENNEDY, Upper Chalk ammonites PLATE 41
KENNEDY, Upper Chalk ammonites PLATE 42
KENNEDY, Upper Chalk ammonites PLATE 43
KENNEDY, Upper Chalk ammonites PLATE 44
KENNEDY, Upper Chalk ammonites PLATE 45
KENNEDY, Upper Chalk ammonites PLATE 46
KENNEDY, Upper Chalk ammonites PLATE 47
KENNEDY, Upper Chalk ammonites PLATE 48
KENNEDY, Upper Chalk ammonites PLATE 49
KENNEDY, Upper Chalk ammonites PLATE 50
KENNEDY, Upper Chalk ammonites PLATE 51
KENNEDY, Upper Chalk ammonites PLATE 52
KENNEDY, Upper Chalk ammonites PLATE 53
KENNEDY, Upper Chalk ammonites PLATE 54
KENNEDY, Upper Chalk ammonites PLATE 55
KENNEDY, Upper Chalk ammonites PLATE 56
KENNEDY, Upper Chalk ammonites PLATE 57
KENNEDY, Upper Chalk ammonites PLATE 58
KENNEDY, Upper Chalk ammonites PLATE 59
KENNEDY, Upper Chalk ammonites PLATE 60
KENNEDY, Upper Chalk ammonites PLATE 61
KENNEDY, Upper Chalk ammonites PLATE 62
KENNEDY, Upper Chalk ammonites PLATE 63
KENNEDY, Upper Chalk ammonites PLATE 64
KENNEDY, Upper Chalk ammonites PLATE 65