Clathrina cylindractina

Clathrina cylindractina
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Calcarea
Order:	Clathrinida
Family:	Clathrinidae
Genus:	Clathrina
Species:	C. cylindractina
Binomial name
	Clathrina cylindractina; Klautau, Solé-Cava & Borojevic, 1994

Clathrina cylindractina is a species of calcareous sponge from Brazil.[1] The species is named after the cylindrical-shaped actines the sponge possesses.

Description

Cormus very delicate, formed of large, irregular and loosely anastomosed tubes. No water-collecting tubes are present, and oscula are present throughout all the cormus as simple openings on the tubes. The wall of the tubes is thin (25 mm). Its skeleton has no special organisation, comprising only equiangular and equiradiate triactines. Sometimes, it is possible to find a few tetractines. Actines are straight and cylindrical or slightly conical, with blunt tips. Found in cryptic habitats, such as under rocks or even on other organisms, protected against light and wave action.[2]

gollark: Probably.

gollark: I can't really play much for another 2.5ish hours.

gollark: I'm not.

gollark: I'm availableish now, but I have to do a thing before [TIME EXPUNGED].

gollark: Yes, freer.

References

Klautau; Solé-Cava; Borojevic (1994). "Biochemical systematics of sibling sympatric species of Clathrina (Porifera:Calcarea)". Biochemical Systematics and Ecology. 22 (4): 367–375. doi:10.1016/0305-1978(94)90027-2.
Klautau, Michelle; Valentine, Clare. "Revision of the genus Clathrina (Porifera, Calcarea)". Zoological Journal of the Linnean Society. 139 (1): 1–62. doi:10.1046/j.0024-4082.2003.00063.x.

World Register of Marine Species entry

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[1] Klautau; Solé-Cava; Borojevic (1994). "Biochemical systematics of sibling sympatric species of Clathrina (Porifera:Calcarea)". Biochemical Systematics and Ecology. 22 (4): 367–375. doi:10.1016/0305-1978(94)90027-2.

[2] Klautau, Michelle; Valentine, Clare. "Revision of the genus Clathrina (Porifera, Calcarea)". Zoological Journal of the Linnean Society. 139 (1): 1–62. doi:10.1046/j.0024-4082.2003.00063.x.