External characters
Crawling over substrate digits.
Colour
Black exterior, light brown interior in ethanol and alive.
Skeletal Characters
| Oscules | Very few scattered over the surface. |
| Texture | Compressible and firm. |
| Surface_Ornamentation | Conulose with small conules. |
| Ectosomal_Skeleton | Conules are formed by fibres protruding underneath the surface. Surface layer contains a large amount of sand parrticles. |
| Choanosomal_Skeleton | Very irregular fibre network. Fibres are scarce and completely cored by sand. Mesohyl collagen is dense and is the main component of the choanosome. |
| Megascleres | nil. |
| Microscleres | nil. |
| Mudmap_Author | P Sutcliffe |
| Mudmap_Editor | K Hall |
Distribution
In French Polynesia: Tahiti
Ecology and habitat
Near the outer rim of the pass, or in the lagoon on the pinnacles.
P. Sutcliffe (2014). QM3466 Hyrtios 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).
