Cyamon quadriradiatum (Carter, 1880)

Soest, Rob van, Carballo, Jose Luis & Hooper, John, 2012, Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion), ZooKeys 239, pp. 1-70 : 27-28

Cyamon quadriradiatum (Carter, 1880) Fig. 14E (left)

Microciona quadriradiata Carter 1880: 42, pl. 4 fig. 4 (Gulf of Manaar, India).

Material examined.

None. Type material apparently lost from the collections of the National Museums Liverpool (Dr Ian Wallace, in litteris), no slides have been found in the Natural History Museum (Ms Emma Sherlock, in litteris).

Description.

(From Carter, 1880). Thinly encrusting, hispid, color when dry dark brown. Spicules (Fig. 14E, left) of three kinds, long thick styles with a globular tyle, size given as 1042 × 41 µm, short thin ‘crooked’ styles, length 347 µm, and robust four-claded polyactines with all cladi entirely spined, length of cladus given as 76 µm.

Distribution.

Gulf of Manaar, Southeastern India.

Ecology.

No data.

Discussion.

This species needs redescription, but the long thick styles in combination with the densely spinous polyactines appear sufficiently distinct. Nevertheless there is a resemblance to the polyactines of Cyamon aruense , see above.