A key for the description of Palaeozoic ammonoids

Abstract

<strong class="journal-contentHeaderColor">Abstract.</strong> A key for the description of Palaeozoic ammonoids is presented. It contains a catalogue of descriptive terms to characterise conch morphology, ornament, and suture line particularly of Carboniferous ammonoids. A number of examples of tables and illustrations are given for the description of conch characters, their ontogeny and intraspecific variability. <br><br> doi:<a href="http://dx.doi.org/10.1002/mmng.200900008" target="_blank">10.1002/mmng.200900008</a>