Helcionelloida

Taxonavigation

Helcionelloida Peel, 1991

Peel, J. S. 1991: "Functional morphology of the Class Helcionelloida nov., and the early evolution of the Mollusca". In Simonetta, A. M., Conway Morris, S. The early evolution of Metazoa and the significance of problematic taxa. Cambridge University Press. pp. 157–177. ISBN 978-0-521-40242-2.
Bouchet P. & Rocroi J.P. (Ed.); Frýda J., Hausdorf B., Ponder W.,Valdes A. & Warén A. 2005: Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. ISBN 3-925919-72-4. ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278
P. Yu. Parkhaev. 2006: "Adaptive radiation of the Cambrian helcionelloid mollusks (Gastropoda, Archaeobranchia)." In: S.V. Rozhnov (ed.) "Evolution of the biosphere and biodiversity. Towards the 70th anniversary of A. Y. Rozanov". 2006. Moscow, pp. 282-296.
P. Yu. Parkhaev. 2007: "The Cambrian ‘basement’ of gastropod evolution". Geological Society, London, Special Publications 286: 415–421. http://books.google.com/books?id=GA7-8JIh9IwC&pg=PA415

Atkins C. J. & Peel J. S. 2008: "Yochelcionella (Mollusca, Helcionelloida) from the lower Cambrian of North America". Bulletin of Geosciences 83(1): 23–38 (8 figures). http://www.geology.cz/bulletin/contents/art2008.01.023