External characters
massive, irregular, lobate.
Colour
exterior dark brown to khaki in ethanol.
Skeletal Characters
Oscules | large, on ends of lobes, circular, 6–7 mm (d). |
Texture | dense, tearable, barely compressible. |
Surface_Ornamentation | highly conulose; conules 1–2 mm (h), spaced ~2 mm apart. |
Ectosomal_Skeleton | not conspicuously distinguished from choanosome; conules raised by large fibres which protrude though ectosome. |
Choanosomal_Skeleton | fibrous; reticulation of primary and secondary fibres; primaries not differentiated from secondaries; fibres regularly spaced, strongly cored with sand; mesohyl collagenous, incorporates small amounts of detritus and pigment. |
Megascleres | nil. |
Microscleres | nil. |
Mudmap_Author | Kathryn Hall |
Mudmap_Editor | Kathryn Hall |
Distribution
In French Polynesia: Society archipelago
Ecology and habitat
In the lagoon, on coral sand.
Kathryn Hall (2012). QM4761 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).