Shallow-water Comatulids (Echinodermata: Crinoidea) from Ambon and Lombok Islands, Indonesia Author Kogo, Ichizo Osaka Museum of Natural History, 1 - 23 Nagai Park, Higashi-Sumiyoshi-ku, Osaka 546 - 0034, Japan E-mail: kogo 13 @ w 7. dion. ne. jp & Corresponding author kogo13@w7.dion.ne.jp Author Fujita, Toshihiko Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki 305 - 0005, Japan Author Kubodera, Tsunemi Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki 305 - 0005, Japan text Species Diversity 2019 2019-11-25 24 229 246 journal article 10.12782/specdiv.24.229 2189-7301 5738323 Dorometra nana ( Hartlaub, 1890 ) Antedon nana Hartlaub, 1890: 170 ; 1891: 89 , pl. 5 figs 57, 58; A. H. Clark 1907a: 353 (list). Iridometra nana —A. H. Clark 1908a: 131 (list); 1912a: 231; 1912b: 9; 1913: 54; 1937: 102 (list); H. L. Clark 1915: 106. Dorometra nana —A. H. Clark 1918: 216 ; H. L. Clark 1921: 25 ; Gislén 1922: 133 , figs 123, 124; 1940: 15, pl. 2 figs 9–11; A. H. Clark and A. M. Clark 1967: 71 , fig. 3d; A. M. Clark and Rowe 1971: 24 (key); A. M. Clark 1972: 142 ; Meyer and Macurda 1980: 91 ; Zmarzly 1984: 108 ; Messing 1994: 239 (list); 1998b: 189 (table); Fabricius 1994: 1228 (table); Rowe and Gates 1995: 122 ; Kirkendale and Messing 2003: 537 ; Kogo and Fujita 2005: 350 . Dorometra cf. nana — Messing and Tay 2016: 655 . Material examined. 1 specimen . Lombok Is. NSMT E-8203 ( 1 specimen ), Gili Air I ., February 3, 1994 . Description. Centrodorsal hemispherical, 2 mm across, 1.3 mm thick, with cirrus sockets in 2–3 alternating rows and papillose aboral pole. Cirri all lost, presumably XL–L. Radials wholly concealed by centrodorsal. IBr 2 with aboral synarthrial tubercle: Ibr 1 oblong, free laterally; Ibr 2 (axil) rhombic. Arms 10, tips broken, presumably 30–40 mm long; first syzygy at br 3+4 . Proximal pinnules slender. P 3 longest, 6 mm long, of 17 segments, about 1.5 times longer than P 1 ; middle pinnulars nearly 3 times longer than wide with everted distal margin. P 2 resembles to P 1 , slightly shorter. P 3 –P 5 with gonad. Distribution. Bay of Bengal, Indonesia , Philippines , northern Australia , China (A. M. Clark and Rowe 1971 ); Maldives (A. M. Clark 1972 ); Singapore ( Messing and Tay 2016 ); western, and eastern Australia ( Rowe and Gates 1995 ); Papua New Guinea ( Messing 1994 , 1998b ); Micronesia ( Meyer and Macurda 1980 ; Zmarzly 1984 ; Kirkendale and Messing 2003 ); South China Sea ( Lane et al. 2000 ); Japan (A. M. Clark and Rowe 1971 ; Kogo and Fujita 2005 ). Depth range: 0–60m ( Lane et al. 2000 ).