Eurypon denisae
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Ordo: Poecilosclerida
Familia: Raspailiidae
Genus: Eurypon
Name
Eurypon denisae Vacelet, 1969 – Wikispecies link – Pensoft Profile
- Eurypon denisae Vacelet, 1969: 188.
Material examined
Specimen IG-S-BL3 sp10-fot.; alcohol preserved, Gallinara Island (station 3, Sciusciaù) 44°01'34"N, 8°13'45"E, depth 30 m, collected 31-07-2009.
Description
Encrustingsponge covering a surface of 3 cm2 on a coralligenous block. Surface hispid. Colour in life white.
Skeleton. Ectosomal skeleton absent. Choanosomal skeleton consisting of basal acanthostyles with heads embedded in a spongin layer and bundles of very long tylostyles protruding through the sponge surface which appears hispid.
Spicules. Long tylostyles, slightly curved or straight, with rather irregular heads, 1066 (1774) 2236 × 5 (8.5) 12.5 μm (Fig. 8A); anisoxeas straight or faintly curved, 200 (220) 250 × 5 (5.5) 7 μm (Figs 8D-E); acanthostyles in two size categories: I) large, straight acanthostyles, often with inconspicuous heads, uniformly but faintly spined, 107.7 (134.5) 170 × 7.5 (9) 12 μm (Fig. 8B); II) small, straight acanthostyles with stouter and longer spines, 60 (68) 77.5 × 7.5 (8) 10 μm (Fig. 8C).
Distribution and discussion
The species was originally described by Vacelet (1969)[1] from a coral bottom in the bathyal zone (300–350 m depth) of the Gulf of Lions. This second finding is a new record for the Italian seas and the coralligenous community.
Taxon Treatment
- Bertolino, M; Cerrano, C; Bavestrello, G; Carella, M; Pansini, M; Calcinai, B; 2013: Diversity of Porifera in the Mediterranean coralligenous accretions, with description of a new species ZooKeys, 336: 1-37. doi
Other References
- ↑ Vacelet J (1969) Eponges de la Roche du Large et de l’étage bathyal de Méditerranée (Récoltes de la soucoupe plongeante Cousteau et dragages). Mémoires du Muséum national d’Histoire naturelle (A, Zoologie) 59(2): 145-219.
Images
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