''Clathrina arnesenae'' 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 the Atlantic Ocean.
[ It is named after Norwegian spongiologist Emily Arnesen (1867–1928).]
References
Clathrina
Fauna of the Atlantic Ocean
Fauna of Norway
Animals described in 2006
{{sponge-stub