The Shallow-water Crinoid Fauna of Lakshadweep Atolls, North-western Indian Ocean Author Mohammednowshad, B. Department of Science and Technology, Kavaratti- 682555, Union Territory of Lakshadweep, India. & School of Ocean Science and Technology, Kerala University of Fisheries and Ocean Studies, Panangad, Kochi, 682506 Kerala, India. Author Idreesbabu, K. K. Department of Science and Technology, Kavaratti- 682555, Union Territory of Lakshadweep, India. Author Parameswaran, Usha V. Centre for Marine Living Resources & Ecology, Kendriya Bhavan, Kakkanad, Kochi- 682 037, Kerala, India. Author Messing, Charles G. Nova Southeastern University, Halmos College of Natural Sciences and Oceanography, 8000 N Ocean Drive, Dania Beach, FL 33004 USA. Author Sureshkumar, S. School of Ocean Science and Technology, Kerala University of Fisheries and Ocean Studies, Panangad, Kochi, 682506 Kerala, India. text Zootaxa 2020 2020-06-08 4789 1 247 265 journal article 10.11646/zootaxa.4789.1.9 1175-5326 3884945 376263E2-07B2-4B4B-A8E3-C718FE0FC969 Stephanometra A.H. Clark, 1909d Type species.— Antedon monacantha Hartlaub, 1890 (a junior synonym of Stephanometra indica ( Smith, 1876 ) . Diagnosis.— A genus of Mariametridae with centrodorsal convex discoidal with gently sloping sides; cirrus sockets encroaching on aboral pole; brachitaxes well-separated; brachitaxis ossicles bearing rounded adambulacral processes oriented parallel or oblique to longitudinal axis of ossicle and producing characteristically scalloped or knobbed lateral margins; cirrals <40; distal cirral aboral ornamentation ranging from slight carination to prominent spine; one or more pairs of oral pinnules with reduced ambulacral groove, flattened articular facets, reduced tissue between pinnulars, conical tip, and with LW of middle pinnulars 1.5–4.0; P2 of 8 to 18 pinnulars; up to 40 arms (usually 30 or fewer) (modified from Rankin & Messing, 2008 ). Remarks.— Rankin & Messing (2008) reduced the six species recognized by A.H. Clark (1941) and A.M. Clark & Rowe (1971) to two species: S. tenuipinna ( Hartlaub, 1890 ) and S. indica .