Nautiloids before and during the origin of ammonoids in a Siluro-Devonian section in the Tafilalt, Anti-Atlas, Morocco - Kroger, Bjorn (London : The Palaeontological Association, 2008)
special papers in palaeontology no.79
'March 2008'
References : p. 100-106
Keywords: Nautiloidea, Fossil -- Morocco -- Tafilalt