Spongosorites sp (4762) - Societe - Tahaa

Spongosorites sp. (OTU QM4762) OTU QM4762

Suberitida Halichondriidae

External characters

massive, fused digits, with basal attachment; incorporates shells at base.

Colour

interior dark cream, exterior pinkish at base, fading to cream at apex in ethanol.

Skeletal Characters

Oscules sparse, few, small, round, ~2 mm (d), apical on digits.
Texture sandpapery, tough, compressible, slowly resilient.
Surface_Ornamentation smooth, rubbery, rugose, folds deep, slightly sandpapery in texture, slightly hispid.
Ectosomal_Skeleton surface echinated by large oxeas; oxeas in brushes at ends of primary tracts.
Choanosomal_Skeleton reticulate; vaguely plumose reticulation; oxeas arranged into vague tracts which end with
brushes that echinate the surface.
Megascleres oxeas: 2 classes
class 1: large, thick, slightly tylote at one end;
class 2: finer, smaller, ends rounded, gently tapering.
Microscleres nil.
Mudmap_Author K Hall
Mudmap_Editor Kathryn Hall

Distribution

In French Polynesia: Society archipelago

Ecology and habitat

In the lagoon, on the inner reef slope.

K Hall (2014). QM4762 Spongosorites sp. (OTU QM4762) . In: Hall, K.A. & Hooper, J.N.A. (2014) SpongeMaps: an online community for taxonomy and identification of sponges. (Available at http://www.spongemaps.org).