Chaetonotidae is a
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of gastrotrichs in the order
Chaetonotida
The Chaetonotida is an order of gastrotrichs. They generally have a tenpin or bottle-like shape.
Chaetonotids inhabit both freshwater and marine environments. They can be distinguished from other gastrotrichs by the absence of pores in the phar ...
. It is the largest family of
gastrotrichs
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 environmen ...
with almost 400 species, some of which are marine and some freshwater. Current classification is largely based on shape and external structures but these are highly variable.
Molecular studies show a high level of support for a
clade
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
containing
Dasydytidae
Dasydytidae is a family of gastrotrichs in the order Chaetonotida
The Chaetonotida is an order of gastrotrichs. They generally have a tenpin or bottle-like shape.
Chaetonotids inhabit both freshwater and marine environments. They can be dis ...
nested within Chaetonotidae.
Genera
The following genera are included in the family Chaetonotidae according to the World Register of Marine Species:
*Subfamily
Chaetonotinae Kisielewski, 1991
:*Genus ''
Arenotus''
Kisielewski, 1987
::*''Arenotus strixinoi''
Kisielewski, 1987
:*Genus ''
Aspidiophorus''
Voigt, 1903
:*Genus ''
Caudichthydium''
Schwank, 1990
:*Genus ''
Chaetonotus''
Ehrenberg, 1830
:*Genus ''
Fluxiderma''
d'Hondt, 1974
:*Genus ''
Halichaetonotus
''Halichaetonotus'' is a genus of gastrotrichs
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 ...
''
Remane, 1936
:*Genus ''
Heterolepidoderma''
Remane, 1926
:*Genus ''
Ichthydium''
Ehrenberg, 1830
:*Genus ''
Lepidochaetus''
Kisielewski, 1991
:*Genus ''
Lepidoderma''
:*Genus ''
Lepidodermella''
Blake, 1933
:*Genus ''
Polymerurus''
Remane, 1927
:*Genus ''
Rhomballichthys''
Schwank, 1990
:*Genus ''
Chitonodytes
''Chitonodytes'' is a genus of gastrotrichs belonging to the family Dasydytidae.
Species:
*'' Chitonodytes collini''
*'' Chitonodytes longisetosus''
*'' Chitonodytes longispinosus''
References
{{Taxonbar, from=Q4124281
Gastrotricha ''
:*Genus ''
Hemichaetonotus''
:*Genus ''
Pseudichthydium''
*Subfamily
Undulinae''
Kisielewski, 1991
:*Genus ''
Undula''
Kisielewski, 1991
References
External links
Gastrotricha
Platyzoa families
Taxa named by Philip Henry Gosse
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