Siphonodictyon sp - (4700) - Tuamotu - Tikehau

Siphonodictyon sp. (OTU QM4700) OTU QM4700

Haplosclerida Phloeodictyidae

External characters

burrowing sponge with fistulose digits emerging from substratum.

Colour

mustard yellow in life; mustard yellow in ethanol.

Skeletal Characters

Oscules not apparent; fistules appear blind.
Texture fistules thick-walled, irregular, brittle; sponge compressible, but able to be broken cleanly.
Surface_Ornamentation optically smooth, slightly velvety.
Ectosomal_Skeleton palisade of oxeas connects brushes formed by primary ascending tracts.
Choanosomal_Skeleton oxeas form thick, rounded meshes; meshes extend to subectosomal region; pseudo-tangential layer beneath ectosomal palisade.
Megascleres thin small oxeas of a single size category and with faintly telescoped ends.
Microscleres nil.
Mudmap_Author P Sutcliffe
Mudmap_Editor Kathryn Hall

Distribution

In French Polynesia: Marquesas, Society, Tuamotu islands

Ecology and habitat

On rocky slope in Marquesas.

In a bay in Society.

Near the pass in Tuamotu

P Sutcliffe (2014). QM4700 Siphonodictyon sp. (OTU QM4700) . 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).