''Clathrina sceptrum'' 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 Canada.
ReferencesWorld Register of Marine Species entry
Clathrina
Sponges described in 1872
Fauna of Canada
Taxa named by Ernst Haeckel
Fauna without expected TNC conservation status
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