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Bilamellate form. Holotype NIWA 89736: Subantarctic region of New Zealand, Bounty Platform, NZOI Station A751; 47.743° S, 179.124° E; depth 155 m; 16 Nov. 1962; NIWA 89736 leg.; Agassiz medium trawl. A small piece of the holotype is deposited at the Museum of Evolution in Uppsala, Sweden, UPSZTY 178605.
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Multilamellate, foliose, fan sponge, 160 mm high, 104 mm wide, with a short thick stalk about 2 cm thick. Lamella up to 2 cm thick in places, attenuating to curled margins. Oscules were not visible on the holotype. Texture firm, compressible, flexible, granular and smooth to the touch. Colour in preservative tan. Subantarctic region of New Zealand, east of Snares Island Platform, NIWA Station TRIP3072/8; 48.5° S, 168.0° E; depth 125–213 m; 21 Oct. 2010; NIWA 61944
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Solid stalk of sponge of unknown morphology Subantarctic region of New Zealand, Seamount 5, Macquarie Ridge, NIWA Station TAN0803/48; 51.096° S, 161.976° E; depth 462–524 m; 4 Apr. 2008; NIWA 52640
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Ruecallan, Rathlin Island, Co Antrim, Northern Ireland, -29 m, 55 18.478N 6 16.127W. 6th June 2006 collector B. E. Picton. Ulster Museum Catalogue number Mc3395.
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Picture of wet specimen taken by P. Cárdenas in Sept. 2008.
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Picture taken by P. Cárdenas in Sept. 2008.
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Upper side of holotype (MZS P0195), dry. (Picture: P. Cárdenas)
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Lower side of holotype (MZS P0195), dry. (Picture: P. Cárdenas)
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3PP cave, Marseille, France. 23-07-2005
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Habitus of Exsuperantia archipelagus sp. nov. A: Holotype MNHN DT 782/1, B: Paratype MNHN DT 782/2, C: Paratype: DOP1976 (Carvalho & Pisera, 2019, Figure 1). Photos taken by Carvalho & Pisera.
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(A) Dichotriaenes; (B) Pseudocalthrop; (C) Mesodichotriaenes (paratype MUZAC 6314); (D) Oxeas I; (E) Oxeas II; (F) Acanthomicroxea; Spirasters (G) type I; (H) type II; (I) type III; (J) Plesiasters. Scale bars: A, B, C, D, E = 100 µm; F = 20 µm; G, H, I, J = 5 µm. Similar picture to Fig. 3 (Cardone et al., 2019).
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(A) Holotype SARD10b [MSNG 57361] on coral Madrepora oculata; (B) skeletal architecture of the holotype (transverse section). Pictures from Frine Cardone.
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(a,b): Paratype specimen MNHN-IP-2019-3; (a): lateral view; (b): top view. (c–e): Holotype specimen MNHN-IP-2019-2; (c): top view, (d,e): lateral views
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Holotype, MNHN-IP-2019-7 (picture: Andrzej Pisera).
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Holotype a–b. overview of the outer ectosomal surface showing oxeas and phyllotriaenes; c. overview of choanosomal skeleton; d. choanosomal desmas with short, rounded, and blunt tubercles; e. details of desmas; f. desma zygosis. (SEM pictures: Lin Gong).
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Holotype ARC 81577. (A) In vivo appearance. (B) Skeleton. (C) Oxea. (D) Microrhabd. (E) Orthotriaenes/Dichotriaenes. (F) Aspidaster. (G) Aspidaster surface. (H) Strongylasters. (plate: C. Goodwin)
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Figure 5 from original publication. Spicule composition of Alectona ricardi sp. nov. present in the red coral sample. SEM images: ages: (a,b) triactines covered by triangular spines; (c) magnification of a ray showing the compound (a,b) triactines covered by triangular spines; (c) magnification of a ray showing the compound spines; spines; (d) slightly spined triactine with spines clearly organised in verticils; (e) smooth triactine; (f) (d) slightly spined triactine with spines clearly organised in verticils; (e) smooth triactine; (f) triactine triactine with four rays; (g) nodular amphiaster; (h) nodular amphiaster (in the background) and with four rays; (g) nodular amphiaster; (h) nodular amphiaster (in the background) and thinner thinner amphiaster; (i) very small amphiaster; (j) oxea of an armed larva; (k) outer surface of a amphiaster; (i) very small amphiaster; (j) oxea of an armed larva; (k) outer surface of a quadrangular quadrangular discotriaene; (l) inner surface of a quadrangular discotriaene. discotriaene; (l) inner surface of a quadrangular discotriaene.
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Photographed in situ on the E coast of Komodo Island, Indonesia, by R. Roozendaal.
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1.9 cm long
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Original drawing of spicules.