Clathrina jorunnae

Clathrina jorunnae
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Calcarea
Order:	Clathrinida
Family:	Clathrinidae
Genus:	Clathrina
Species:	C. jorunnae
Binomial name
	Clathrina jorunnae; Rapp, 2006[1]
	Clathrina jorunnae is only known from Trondheimsfjord in Norway

Clathrina jorunnae is a species of calcareous sponge from Norway.[2] It is only known from Trondheimsfjord, its type locality, where it was dredged from depths of 25–250 m (82–820 ft). The specimen was attached to a bryozoan of the genus Reteporella. The species is named after Jorunn Berg, Hans Tore Rapp's grandmother, who introduced Rapp to marine animals.[1]

Description

Cormus is composed of very thin and highly irregularly and loosely anastomosing tubes. No oscula are visible on the surface. Water-collecting tubes are absent. Colour is light beige when alive and white in alcohol. The surface of the tubes minutely hispid due to single actines of the triactines irregularly protruding through the outer surface. The texture is fragile but compressible. Cormus measures 8 mm in diameter. Skeleton is composed of one group of equiangular and equiradiate triactines. The actines are straight, conical, and sharply pointed.[1]

References

Rapp, Hans Tore (2006). "Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species". Zoological Journal of the Linnean Society. 147 (3): 331–365. doi:10.1111/j.1096-3642.2006.00221.x.
Van Soest RW, Boury-Esnault N, Hooper JN, Rützler K, de Voogd NJ, de Glasby BA, Hajdu E, Pisera AB, Manconi R, Schoenberg C, Janussen D, Tabachnick KR, Klautau M, Picton B, Kelly M, Vacelet J, eds. (2020). "Clathrina jorunnae Rapp, 2006". World Porifera database. World Register of Marine Species. Retrieved 1 December 2020.

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[Rapp_2006-1] Rapp, Hans Tore (2006). "Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species". Zoological Journal of the Linnean Society. 147 (3): 331–365. doi:10.1111/j.1096-3642.2006.00221.x.

[WORMS-2] Van Soest RW, Boury-Esnault N, Hooper JN, Rützler K, de Voogd NJ, de Glasby BA, Hajdu E, Pisera AB, Manconi R, Schoenberg C, Janussen D, Tabachnick KR, Klautau M, Picton B, Kelly M, Vacelet J, eds. (2020). "Clathrina jorunnae Rapp, 2006". World Porifera database. World Register of Marine Species. Retrieved 1 December 2020.