''Clathrina hispanica'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
calcareous sponge
The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species hav ...
from Spain. The species is named after the country of Spain, where it was discovered.
Description
Cormus of the holotype formed of large, irregular and loosely anastomosed tubes. Water-collecting tubes have not been found. Cells with granules have also not been found. The skeleton has no special organization, comprising equiangular and occasionally equiradiate triactines. Actines are cylindrical, but they are slightly wider near the centre of the spicule. They are undulated at the distal part and their tip is blunt.
References
World Register of Marine Species entry
Clathrina
Fauna of Spain
Animals described in 2003
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