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An Early Devonian nonagonal orthoconic cephalopod from Morocco


Klug, C; Kröger, B; De Baets, K (2010). An Early Devonian nonagonal orthoconic cephalopod from Morocco. In: Tanabe, K; Shigeta, Y; Sasaki, T; Hirano, H. Cephalopods - present and past. Tokyo: Tokyo University Press, 141-146.

Abstract

A new specimen of a Dalejan (Late Emsian, Early Devonian) orthoconic cephalopod is described from the southwestern Tafi lalt (Anti-Atlas, Morocco). It has a nonagonal cross section (with nine edges) and resembles Kionoceras. Since it differs in several characters from Kionoceras, we introduce the new taxon Amessouiceras enneagon gen. et. sp. nov. and shortly discuss evolutionary events among cephalopods in the Early Devonian.

Abstract

A new specimen of a Dalejan (Late Emsian, Early Devonian) orthoconic cephalopod is described from the southwestern Tafi lalt (Anti-Atlas, Morocco). It has a nonagonal cross section (with nine edges) and resembles Kionoceras. Since it differs in several characters from Kionoceras, we introduce the new taxon Amessouiceras enneagon gen. et. sp. nov. and shortly discuss evolutionary events among cephalopods in the Early Devonian.

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Additional indexing

Item Type:Book Section, not refereed, original work
Communities & Collections:07 Faculty of Science > Paleontological Institute and Museum
Dewey Decimal Classification:560 Fossils & prehistoric life
Uncontrolled Keywords:Orthocerida, symmetry, Early Devonian, Morocco
Language:English
Date:2010
Deposited On:11 Jan 2010 10:21
Last Modified:06 Dec 2017 23:04
Publisher:Tokyo University Press
ISBN:978-4-486-01876-6
Additional Information:The 7th International Symposium, Cephalopods - Present and Past, held September 14-16, 2007, at the Conference Hall, Hokkaido University, Sapporo, Hokkaido.
Related URLs:http://www.recherche-portal.ch/ZAD:default_scope:ebi01_prod009547897 (Library Catalogue)

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