Re-evaluating the palaeobiology and affinities of the Ctenocystoidea (Echinodermata) Rahman, Imran A. ; Clausen, Sébastien Abstract Publication: Journal of Systematic Palaeontology Pub Date: December 2009 DOI: 10.1017/S1477201909990046 Bibcode: 2009JSPal...7..413R