Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4748183 | Geobios | 2013 | 13 Pages |
Abstract
A new exposure at Oborne, Dorset has yielded a rich fossil assemblage of the Lower Bajocian ammonite Kumatostephanus from the Laeviuscula and Humphriesianum zones. The principal bed containing this ammonite, the Green Grained White Marl is locally diachronous; it is an important local marker horizon and it is herein proposed as a formal stratigraphical unit. The specimens obtained allow a better understanding of the evolution of the genus Kumatostephanus and its relationships to the other stephanoceratids, notably Stemmatoceras.
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Palaeontology
Authors
Robert Baron Chandler, John Whicher, Wolfgang Grulke, Andy Cowap,