External characters
burrowing, with single fistules protruding above sandy substrate.
Colour
mustard yellow in life; mustard yellow in ethanol.
Skeletal Characters
Oscules | apical to fistules. |
Texture | firm, brittle, fragile; fistules very fragile. |
Surface_Ornamentation | mottled, areolate pattern observed in live specimens, but not visible after preservation; fistules flattened longitudinally, as if pressed; internal structure of fistule walls cavernous. |
Ectosomal_Skeleton | continuous palisade of smaller tylostyles. |
Choanosomal_Skeleton | dense, confused mass of larger megascleres; lacunose skeletal structure; microscleres scattered throughout. |
Megascleres | tylostyles: 2 size classes. |
Microscleres | spirasters: 2 size classes. |
Mudmap_Author | P Sutcliffe |
Mudmap_Editor | Kathryn Hall |
Distribution
In French Polynesia: Marquesas archipelago
Ecology and habitat
In shelly sand medium.
P Sutcliffe (2012). QM4689 Spirastrella 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).