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Figure 5.Squamophis albozosteres sp. n., holotype (MV F162657). A, B aboral basal portion of the arm C oral basal portion of the arm D aboral middle portion of the arm, each arrow head indicates a row of white ossicles E oral middle portion of the arm F lateral middle portion of the arm, each arrow head indicates a row of white ossicles G oral distal portion of the arm H lateral distal portion of the arm. Abbreviations: - AS arm spine; LAP - lateral arm plate; Ten - tentacles.

Figure 7.Species of the family Amphiuridae. Ophiophragmus brachyactis A dorsal view, detail of the fence of papillae B ventral view C jaw D dorsal view of the arms E ventral view of the arms. Ophiostigma isocanthum F dorsal view G ventral view H detail of the radial shields I jaw J dorsal view of the arms L ventral view of the arms. Scale bar = 1 mm.

Figure 1.Collecting sites of Ophioderma peruana sp. n. A complete map of America B1 Hooker Reef, Punta Sal 2 Quebrada Verde, El Ñuro 3 Lobos de Afuera Island, Peru.

Figure 6.Ophioderma panamensis. A dorsal view B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 5 mm. Ophioderma teres juvenile G dorsal view. Scale bar = 5 mm H dorsal view of the arm (dp = divided dorsal arm plates) I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

Coral Sea, Duration 33 seconds, Shot includes Xestospongia testudinaria (Barrel sponge)

South Pacific Ocean, Shot at dusk, Duration 13 seconds

Astropyga magnifica is not the primary subject of the video clip; the primary subject is Zebrida adamsii (Zebra crab). Indo-Pacific, Shot at dusk, Duration 27 seconds

South Pacific Ocean, Shot at night, Duration 7 seconds

Coral Sea, Duration 54 seconds

South Pacific Ocean, Duration 16 seconds

South Pacific Ocean, Shot at night, Duration 18 seconds

Fiskeri- og Søfartsmuseet, Esbjerg

Kattegatcentret Grenå

Sardinia

Cerbere Pyrénées-Orientales France

Cerbère Pyrénées-Orientales France

Sangstrup/Karlby Klint

Kattegatcentret Grenå

Calveria fenestrata, Wyville Thomson. One of the four-valved pedicellariae.

Ophiopholis aculeata, aboral view (24-26); Ophiopholis aculeata, oral view (27); Ophiura brevispina, aboral view (28,29); Ophiura brevispina view, shows regenerating arms (30).

Korethraster hispidus, Wyville Thomson, Dorsal aspect.

Deep-Sea Sea-Urchins. Homolampas glauca, from the Bay of Bengal. Most of the spines have been removed

Palaeotropus Hirondellei, d'apres Koehler, face ventral.