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Suchergebnisse
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2015
Journal article
The youngest ctenocystoids from the Upper Ordovician of the United Kingdom and the evolution of the bilateral body plan in echinoderms
During the early Palaeozoic, echinoderm body plans were much more diverse than they are today, displaying four distinct types of symmetry. This included the bilateral ctenocystoids, which were long thought to be restricted to the Cambrian. Here, we describe a new species of ctenocystoid from the Upper Ordovician of Scotland...Rahman, Imran A ; Stewart, Sarah E ; Samuel, Zamora
bilateral symmetry, United Kingdom, Echinodermata, Ordovician, Ctenocystoidea, body plans, and evolution