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Big white amphora-shaped sponge
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Sponges in fibreglass-like sheets collected from a DFO trawl survey in the Gulf of St. Lawrence.
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A, choanosomal pentactin; B, basalia; C, detail of basalia’s shaft; D, detail of basalia’s anchor; E, three regions of a sceptre; F–G, dermal pentactin; H–I, atrial pentactin; J, micropentactin; K, details of the tip and middle shaft of an uncinate; L, microhexactin; M, stauractin with two rays broken; N, micramphidisc.
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A, dermal or atrial hexactin; B, drepanocome I; C, drepanocome II; D, spirodiscohexaster; E, plumicome; F, microhexactin I; G, microhexactin II; H, detail of tubercles in the middle of a diactine; I, detail of the pinular ray of a hexactin; J, detail of the hook-like secondary ray of a drepanocome I; K, detail of the middle part of a drepanocome II; L, detail of the tooth disc of a spirodiscohexaster; M, detail of the whorl of a plumicome; N, spicules of the peduncle; O–Q, LM images of spicule and skeleton; O, choanosomal hexactin; P, tangential view of choanosomal structure; Q, transversal view of choanosomal structure.
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holotype in situ, collected by 383 m in the Valinco canyon, thanks to the ROV of the COMEX
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Photo taken on board of the Minibex, 2014/07/31
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Holotype collected in 2014/07/31 in Valinco Canyon by 397 m deep, during the Corseacan expedition.
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