Acarnus erithacus is a species of
sponge
Sponges or sea sponges are primarily marine invertebrates of the animal phylum Porifera (; meaning 'pore bearer'), a basal clade and a sister taxon of the diploblasts. They are sessile filter feeders that are bound to the seabed, and a ...
of the
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
''
Acarnus
''Acarnus'' is a genus of sponges belonging to the family Acarnidae. The genus has almost cosmopolitan distribution
In biogeography, a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the ...
''.
It was described by
de Laubenfels in 1927.
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References
Poecilosclerida
Sponges described in 1927
{{demospongiae-stub