''Ptychostomella'' is a genus of
gastrotrichs
The gastrotrichs (phylum Gastrotricha), common name, commonly referred to as hairybellies or hairybacks, are a group of Microscopic scale, microscopic (0.06–3.0 mm), cylindrical, acoelomate animals, and are widely distributed and abundant ...
belonging to the family
Thaumastodermatidae
Thaumastodermatidae is a family of worms belonging to the order Macrodasyida
Macrodasyida is an order (biology), order of gastrotrichs. Members of this order are somewhat worm-like in form, and not more than 1 to 1.5 mm in length.
Macrod ...
.
The species of this genus are found in Europe, Japan.
Species
Species:
*''
Ptychostomella bergensis''
*''
Ptychostomella brachycephala''
*''
Ptychostomella helana''
References
{{Taxonbar, from=Q4144652
Gastrotricha