''Pelmatosphaera'' 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
worm
Worms are many different distantly related bilateria, bilateral animals that typically have a long cylindrical tube-like body, no limb (anatomy), limbs, and usually no eyes.
Worms vary in size from microscopic to over in length for marine ...
s belonging to the monotypic family Pelmatosphaeridae. The only species is ''Pelmatosphaera polycirri''.
References
Orthonectida
Monotypic protostome genera
{{Protostome-stub