The Collagenous Nature of Problematical Ligaments in Crinoids (Echinodermata) The Collagenous Nature of Problematical Ligaments in Crinoids (Echinodermata)v. 9No. 3235–241Meyer, David. 1971. "The Collagenous Nature of Problematical Ligaments in Crinoids (Echinodermata)." Marine Biology, 9, (3) 235–241.More...ID: 107869Type: articleKeywords: STRI