Ophiuroids (Echinodermata; Ophiuroidea) of biogenic habitats on the continental shelf of New Zealand Author Mills, V. Sadie Author O'Hara, Timothy D. text Zootaxa 2013 3613 5 401 444 journal article 10.11646/zootaxa.3613.5.1 a5297387-6a6d-4097-b501-65d6f2c5ee2a 1175-5326 222703 5F3AB0E7-FB06-4099-9C17-D87E3454376F Amphiura ( Amphiura ) spinipes Mortensen, 1924 Amphiura spinipes Mortensen, 1924: 134 –136, fig. 15b, 16.—Mortensen, 1936: 267.—Fell, 1952: 15. Material Examined . Otago . TAN1108/117, NIWA 77768 (2). Diagnosis . Disc finely scaled dorsally and ventrally. Six, rarely 7 arm spines, reducing to 5 by mid-arm. Ventral-most arm spine elongated, slender and downward projecting on mid arm segments. Single, large, leaf-like tentacle scale. Description. See Mortensen (1924). Distribution. New Zealand ( 22–1378 m ). Remarks. See A mphiura magellanica .