Special Papers in Palaeontology, Nautiloids Before and During the Origin of Ammonoids in a Siluro-Devonian Section in the Tafilalt, Anti-Atlas, MoroccPaperback - Number 79, 1 February 2009
A study of the stratigraphical occurrences of non-ammonoid cephalopods
in the Late-Silurian-Middle Devonian.
More than 2000 cephalopod specimens were collected from a section in
the Tafilalt of south-east Morocco for the study.
For the first time, non-ammonoid cephalopod occurrences were recorded
against a precisely controlled stratigraphical record in
post-Lochkovian Devonian sediments.