Macrodasyida is an

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

gastrotrich The gastrotrichs ( phylum Gastrotricha), commonly referred to as hairybellies or hairybacks, are a group of microscopic (0.06-3.0 mm), worm-like, acoelomate animals, and are widely distributed and abundant in freshwater and marine environme ...

s. Members of this order are somewhat worm-like in form, and not more than 1 to 1.5 mm in length. Macrodasyids are almost in entirely marine and live in the sediment in marine or brackish water, but two species have been discovered in freshwater. They can be distinguished from other gastrotrichs by the presence of two pores on either side of the pharynx, that allow excess water to be expelled during feeding. The body is dorsally flattened and there are tubular adhesive glands at both ends and on the lateral surfaces. These animals are

detritivore Detritivores (also known as detrivores, detritophages, detritus feeders, or detritus eaters) are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and animal parts as well as feces). There are many kinds of invertebrates, ...

s and are

hermaphrodite In reproductive biology, a hermaphrodite () is an organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes. Many Taxonomy (biology), taxonomic groups of animals (mostly invertebrate ...

Families

Cephalodasyidae Cephalodasyidae is a family of worms belonging to the order Macrodasyida. Genera: * '' Cephalodasys'' Remane, 1926 * '' Dolichodasys'' Gagne, 1977 * ''Mesodasys ''Mesodasys'' is a genus of gastrotrichs belonging to the family Cephalodasyidae ...

Hummon & Todaro, 2010 *

Dactylopodolidae Dactylopodolidae 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. Macrodasyi ...

Strand, 1929 * Hummondasyidae Todaro, Leasi & Hochberg, 2014 *

Lepidodasyidae Lepidodasyidae 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. Macrodasyids ...

Remane, 1927 *

Macrodasyidae Macrodasyidae 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. Macrodasyids ...

Remane, 1924 *

Planodasyidae Planodasyidae 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. Macrodasyids ...

Rao & Clausen, 1970 *

Redudasyidae Redudasyidae 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. Macrodasyids a ...

Todaro, Dal Zotto, Jondelius, Hochberg, Hummon, Kanneby & Rocha, 2012 *

Thaumastodermatidae Thaumastodermatidae is a family of worms belonging to the order Macrodasyida. Subfamilies and genera Subfamilies and genera: *Diplodasyinae Ruppert, 1978 **''Acanthodasys'' Remane, 1927 **''Diplodasys'' Remane, 1927 *Thaumastodermatinae Remane, 1 ...

Remane, 1927 *

Turbanellidae Turbanellidae is a family of worms belonging to the order Macrodasyida. Genera: * '' Desmodasys'' Clausen, 1965 * '' Dinodasys'' Remane, 1927 * '' Marinellina'' Ruttner-Kolisko, 1955 * '' Paraturbanella'' Remane, 1927 * '' Prostobucantia'' Ev ...

Remane, 1926 *

Xenodasyidae Xenodasyidae 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. Macrodasyids a ...

Todaro, Guidi, Leasi & Tongiorgi, 2006

References

Gastrotricha Protostome orders {{Protostome-stub