Clathrina repens, Van & De, 2018

Van, Rob W. M. & De, Nicole J., 2018, Calcareous sponges of the Western Indian Ocean and Red Sea, Zootaxa 4426 (1), pp. 1-160 : 52

publication ID

https://doi.org/ 10.11646/zootaxa.4426.1.1

publication LSID

lsid:zoobank.org:pub:18929E20-5296-4458-8A8A-4F5316A290FD

DOI

https://doi.org/10.5281/zenodo.5966710

persistent identifier

https://treatment.plazi.org/id/386CC616-DC41-A502-FF67-8B4EFCCBFA7F

treatment provided by

Plazi

scientific name

Clathrina repens
status

sp. nov.

Clathrina repens View in CoL sp.nov.

Figures 26a–d View FIGURE 26

Material examined. Holotype, RMNH Por. 10161a, Maldives, Faafu Atoll, Wallstreet, 3.119°N 72.979556°E, depth 10 m, scuba, coll. N.J. de Voogd, field nr. MAD10 View Materials /MAS122, 20 February 2015. GoogleMaps

Description. Open network of creeping and upright tubuli, covering the surface of a keratose sponge ( Hyrtios sp.) ( Fig. 26a View FIGURE 26 ), size several cm2. A second specimen ( Fig. 26a View FIGURE 26 1 View FIGURE 1 , not collected) encrusted an ascidian. Individual tubuli approximately 2 mm high and 1 mm diameter. Upright tubuli often open-ended, presumed to be oscules. Color shades of dull orange, pink-orange and beige; pale beige in preservation ( Fig. 26b View FIGURE 26 ).

Aquiferous system. Asconoid.

Skeleton. ( Fig. 26c View FIGURE 26 ) Walls of tubuli with a single layer of spicules.

Spicules. ( Fig. 26d View FIGURE 26 ) Triactines with conical actines, variable in length, 66– 97 –129 x 6 – 7.4 –9 µm.

Distribution and ecology. Maldives, coral reef, 10 m.

Etymology. Repens (L.) means creeping, referring to the reticulation of small tubuli closely adhering to the substratum.

Remarks. Morphologically, this appears a unique species. Its habitus and spicule sizes show similarity to Indonesian Arturia tubuloreticulata Van Soest & De Voogd, 2015 , but this has a minority of tetractines. We examined the present specimen exhaustively, but could find no tetractines.

Unfortunately, no sequences were obtained from it.

RMNH

National Museum of Natural History, Naturalis

Kingdom

Animalia

Phylum

Porifera

Class

Calcarea

Order

Clathrinida

Family

Clathrinidae

Genus

Clathrina

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