External characters
fragment; massive, amorphous.
Colour
pinkish-beige in life; interior pale, exterior beige to grey in ethanol; darker colour on top of chimney-like protuberances.
Skeletal Characters
| Oscules | large, ovoid, between ridges, ~4 mm (d). |
| Texture | tough, dense, compressible, resilient, resists tearing. |
| Surface_Ornamentation | rugose, ridges prominent, smooth to sandpapery, incorporates some detritus. |
| Ectosomal_Skeleton | not conspicuously distinguished from choanosome; conules raised by large fibres which protrude though ectosome; large amount of detritus incorporated at surface. |
| Choanosomal_Skeleton | fibrous; fibres numerous, very strongly laminated, thick, clear, not cored; mesohyl incorporates large amounts of large sand grains and other detritus. |
| Megascleres | nil. |
| Microscleres | nil. |
| Mudmap_Author | Kathryn Hall |
| Mudmap_Editor | K Hall |
Distribution
In French Polynesia: Society islands
Ecology and habitat
Outer reef slope, near the rim of the pass.
K. Hall (2012). QM4758 Psammocinia sp. 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).
