Echinodermata of Lakshadweep, Arabian Sea with the description of a new genus and a species Author Sastry, D. R. K. Erstwhile Scientist, Zoological Survey of India (Ministry of Environment, Forest and Climate Change), FPS Building, Indian Museum Complex, Kolkata - 700016 and S- 2 Saitejaswini Enclave, 22 - 1 - 7 Veerabhadrapuram, Rajahmundry - 533105, India; dwadasirksastry @ gmail. com Author Marimuthu, N. Zoological Survey of India (Ministry of Environment, Forest and Climate Change), FPS Building, Indian Museum Complex, Kolkata - 700016, India; marinemari @ hotmail. com Author Rajan, Rajkumar Marine Biology Regional Centre, Zoological Survey of India (Ministry of Environment, Forest and Climate Change), 130, Santhome High Road, Chennai - 600028, India text Records of the Zoological Survey of India 2019 119 4 journal volume 10.26515/rzsi/v119/i4/2019/144963 2581-8686 13186919 Zoobank Tropiometra carinata (Lamarck) 1816. Comatula carinata Lamarck, J.B.P.A. de. Hist. nat . anim. s. vert. 2 : 534. 1971. Tropiometra carinata : Clark, A.M. and Rowe, F.W.E. Monograph of shallow-water Indo-West Pacific echinoderms . 10-11 (distribution) and 25 (key). 2007. Tropiometra carinata : Sastry, D.R.K. Rec. Zool. Surv. India , Occ. Paper No. 271 : 19 Material : AGN . DT. 20.11.2018 . One spec. AG-26 A. Dt . 03.02.2018 . One spec. KA-40 . Dt. 15.02.2018 . One spec. KA- 48. Dt. 15.02.2018 . One spec. KA-50 . Dt. 15.02.2018 . Two specs. KP-14 .Dt. 20.02.2018 . One spec. KP-12 .Dt. 20.02.2018 . Three spec. KP-25 . Dt. 21.02.2018 . Two specs. KP-36 . Dt . 21.02.2018 . Three specs. KP-2 . Dt . 20.02.2018 . One spec. KP-5 . Dt . 20.02.2018 . Four specs. KP-7 . Dt . 20.02.2018 . Two specs. KP-26 .Dt . 21.02.2018 . One spec. KP-27 .Dt . 21.02.2018 . Two specs. KV-26 . Dt . 03.12.2018 . One spec. PMPN18 . Dt . 22.11.2018 .Two specs. KP28 . Dt . 21.02.2018 . Four specs. Description : Arms 10, 35-80 mm long. Pinnules stiff and prismatic, gradually become shorter and slender. Cirri 10-15, sometimes robust and short, with 11 to 16 segments, distal segments transversely thickened dorsally mostly at the distal margin. Cirri and distal segments with transverse dorsal thickening. Remarks : One spec from B-35. Dt. 4.2.2018 has 10 arms of 40 mm length and very slender and long cirri with up to 20 segments. Distal cirrus segments have the dorsal thickening like a projection towards distal sometimes appearing almost like a spine. Distribution : Lakshadweep , Kerala , Tamil Nadu and Andhra Pradesh . Elsewhere: Red Sea and East coast of Africa to East Indies. The species is newly recorded from Lakshadweep . Class ASTEROIDEA Order VALVATIDA Family ACANTHASTERIDAE Acanthaster planci (Linnaeus) (Pl. III. Fig. a,b) 1758. Asterias planci : Linnaeus, C. Systema Naturae. Ed. 10 : 823. 1840. Echinaster ellisi Gray, J.E. Ann. Mag. nat . Hist. 6 (1): 281. WoRMS 1971. Acanthaster planci : Clark, A.M. and Rowe, F.W.E. Monograph of shallow-water Indo-West Pacific echinoderms, p. 71 (key), p. 38-39 (distribution). 1991. Acanthaster planci : Sastry. D.R.K. State Fauna Series 2 : Fauna of Lakshadweep , p. 372. 1993. Acanthaster planci : Clark, A.M. Echinoderm studies . 4 : 323. 2007. Acanthaster planci : Sastry, D.R.K. Rec. zool. Surv. India Occ. Paper No. 271: 67 Material : AG-4. Dt. 03.02.2018 One spec. MCYN18-127 . Dt . 28.11.2018 . One spec. Arms 15, R/r = 40/ 15 mm , spines long. Distribution : Goa, Lakshadweep , Andamans and Nicobars. Elsewhere : Tropicopolitan, Red Sea and East Africa to Hawaiian Island, in the Indo-west Pacific, Galapagos Islands to Gulf of California in the East Pacific with Echinaster ellisi (Gray) as a synonym as per WoRMS.