Macrodasyida
Encyclopedia
The Macrodasyida is an order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

 of gastrotrich
Gastrotrich
The gastrotrichs are a phylum of microscopic animals abundant in fresh water and marine environments. Most fresh water species are part of the periphyton and benthos...

s. They are somewhat work-like in form, and not more than 1 to 1.5 mm in size.

Macrodasyids live in marine or brackish water, and can be distinguished from other gastrotrichs by the presence of two pores in the pharynx, that allow excess water to be expelled after feeding. They possess tubular adhesive glands at both ends of the body and on the lateral surfaces.
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