Open AccessThe Liassic Ammonite zones and subzones of the north-west European Province
Author(s) -
W T Dean,
D. T. Donovan,
Michael K. Howarth
Publication year - 1960
Publication title -
bulletin of the british museum, natural history. geology
Language(s) - English
Resource type - Journals
ISSN - 0007-1471
DOI - 10.5962/p.313862
Subject(s) - ammonite , geography , geology , paleontology , physical geography , cretaceous