Media type: E-Article Title: Are the traditional classes of arthropods natural ones? Recent advances in palaeontology and some considerations on morphology Contributor: Simonetta, Alberto Mario imprint: Informa UK Limited, 2004 Published in: Italian Journal of Zoology Language: English DOI: 10.1080/11250000409356579 ISSN: 1125-0003; 1748-5851 Keywords: Animal Science and Zoology Origination: Footnote: Access State: Open Access