Phylogeny and Evolution of Calcareous Sponges: Monophyly of Calcinea and Calcaronea, High Level of Morphological Homoplasy, and the Primitive Nature of Axial Symmetry

Author: Manuel Michael   Borchiellini Carole   Alivon Eliane   Le Parco Yannick   Boury-Esnault Jean Vacelet Nicole  

Publisher: Oxford University Press

ISSN: 1063-5157

Source: Systematic Biology, Vol.52, Iss.3, 2003-06, pp. : 311-333

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Abstract