''Tethyspira'' is a
monotypic genus
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...
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 ...
s belonging to the family
Dictyonellidae
Dictyonellidae is a family of sponges in the order Bubarida, based on the genus ''Dictyonella'' Schmidt, 1868.
It may be noted that Dictyonellida Cooper, 1956 is, however, a brachiopod order based on ''Dictyonella'' Hall, 1868 (now ''Eodictyonel ...
. The only species is ''Tethyspira spinosa''.
The species is found in Western Europe.
References
Heteroscleromorpha
Monotypic sponge genera
Taxa described in 1890
{{Demosponge-stub