Ancestral morphology of crown-group molluscs revealed by a new Ordovician stem aculiferan

Jakob Vinther (), Luke Parry, Derek E. G. Briggs and Peter Van Roy
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Jakob Vinther: School of Biological Sciences, University of Bristol
Luke Parry: School of Biological Sciences, University of Bristol
Derek E. G. Briggs: Yale University
Peter Van Roy: Yale University

Nature, 2017, vol. 542, issue 7642, 471-474

Abstract: Presence of a radula in Calvapilosa kroegeri confirms the molluscan affinity of sachitids, and the single shell plate reveals the ancestral condition for all crown molluscs and early evolution of the multi-plated body plan characteristic of Aculifera.

Date: 2017
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DOI: 10.1038/nature21055

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