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Family OPHIONEREIDIDAE 7 J 9 t b 714 71 35
Family EURYALIDAE J yJ 17
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adoral shields Amadaiba Amphioplus Amphipholis Amphiura arm spines basal arm segments Bathymetrical range Color corresponding arm segment disk diameter disk is covered distal arm DODERLEIN dorsal arm plates dorsal disk dorsal view East China Sea Ecological notes fg0 fig genital slits H. L. CLARK H. L. CLARK Text-fig Indo-West Pacific interbrachial ventral disk IRIMURA Jogashima Islet July June 17 Kamekisho Kannonzuka-dashi KOEHLER koreana lateral arm plates long as wide longer than wide Material examined MATSUMOTO 1917 MORTENSEN Mosaki MURAKAMI Ophiothrix Ophiothrix Ophiura Ophiuroidea oral papillae oral plates oral shields panchyendyta pentagonal proximal radial shields rhombic rounded corners Sagami Bay Sagami Sea Sea of Japan shields are large slits are long southwest of Jogashima southwest-by-west of Jogashima species specimen spinelet sublittoral zone Suruga Bay tentacle pores tentacle scales Text-fig thick skin triangular in shape Uraga Channel ventral arm plates ventral view West of Sagami wider than long