External characters
massive, lamellate, forms round or angular lumps; thick upright ridges or lamellae forming interconnected buttressed walls.
Colour
brown, chocolate brown, khaki green or mauve, green in life (exterior maroon to purplish-red, interior cream).
Skeletal Characters
| Oscules | small, apical on ridges. |
| Texture | brittle, easily crumbled. |
| Surface_Ornamentation | even, with some ridges and irregular striated lines on faces of lamellae. |
| Ectosomal_Skeleton | multispicular tangential brushes of oxeas protruding through a multispicular tangential layer. |
| Choanosomal_Skeleton | irregularly reticulate; multispicular tracts of oxeas forming more-or-less oval meshes; some differentiation between ascending and transverse tracts; no fibres; collagen sparse. |
| Megascleres | oxeas: 130-150 x 4-7 µm, faintly telescoping points. |
| Microscleres | nil. |
| Mudmap_Author | Queensland Museum |
| Mudmap_Editor | K Hall |
Distribution
In French Polynesia: Marquesas islands
Pacific Ocean: Australia, Fiji, Solomon islands, Japan, Palau, Papua New Guinea, Tonga, Vanuatu
Indian Ocean: Malaysia, Thailand, Singapore
Ecology and habitat
Rocky slope. Inside a bay.
Queensland Museum (2014). QM0002 Neopetrosia exigua (Kirkpatrick, 1900). 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).
