Macrostomidae: Difference between revisions

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{{Short description|Family of flatworms}}
{{Userspace draft|source=ArticleWizard|date=February 2010}}
{{Automatic taxobox
{{Taxobox
| name = Macrostomidae
| image = Antromacrostomum armatum.JPG
| image = Antromacrostomum armatum.JPG
| image_width = 200px
| image_caption = An adult ''Antromacrostomum armatum''
| image_caption = An adult ''Antromacrostomum armatum''
| regnum = [[Animal]]ia
| taxon = Macrostomidae
| subdivision =
| phylum = [[Platyhelminthes]]
*''[[Antromacrostomum]]''
| classis = [[Turbellaria]]
*''[[Archimacrostomum]]''
| unranked_ordo = [[Macrostomida]]
*''[[Axia (flatworm)|Axia]]''
| familia = '''Macrostomidae'''
*''[[Bradburia (flatworm)|Bradburia]]''
| subdivision_ranks = Genera
*''[[Dunwichia]]''
| subdivision =
*''[[Macrostomum]]''
[[Antromacrostomum]]<br>
*''[[Omalostomum]]''
[[Archimacrostomum]]<br>
*''[[Promacrostomum]]''
[[Axia]]<br>
*''[[Protomacrostomum]]''
[[Bradburia]]<br>
*''[[Psammomacrostomum]]''
[[Bradynectes]]<br>
*''[[Siccomacrostomum]]''
[[Dunwichia]]<br>
*''[[Unsia]]''
[[Inframacrostomum]]<br>
[[Macrostomum]]<br>
[[Myozona]]<br>
[[Omalostomum]]<br>
[[Promacrostomum]]<br>
[[Protomacrostomum]]<br>
[[Psammomacrostomum]]<br>
[[Siccomacrostomum]]
}}
}}


The '''Macrostomidae'''<ref name="van Beneden 1870">van Beneden, E. 1870. Étude zoologique et anatomique du genre <i>Macrostomum</i> comprenant la description de deux especes nouvelles. Bulletin de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique 30:116-133, one plate.</ref> are a family of small basal free-living flatworms ([[Macrostomida]], [[Turbellaria]], [[Platyhelminthes]]), and members of the marine, brackish, freshwater [[meiobenthos]].<ref name="van Beneden 1870"/>
'''Macrostomidae'''<ref name="van Beneden 1870">van Beneden, E. 1870. Étude zoologique et anatomique du genre ''Macrostomum'' comprenant la description de deux especes nouvelles. Bulletin de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique 30:116-133, one plate.</ref> is a family of small basal free-living flatworms, and are found in marine, brackish, and freshwater environments.<ref name="van Beneden 1870"/> There are currently about 180 named species in this family.<ref name="Turb taxon 2776">Tyler, S., Schilling, S., Hooge, M., and Bush L. F. (comp.) (2006-2009) Turbellarian taxonomic database. Version 1.5 {{cite web |url=http://turbellaria.umaine.edu/turb2.php?action=1&code=2776 |title=Macrostomidae |accessdate=2010-02-28 |url-status=dead |archiveurl=https://web.archive.org/web/20110720085839/http://turbellaria.umaine.edu/turb2.php?action=1&code=2776 |archivedate=2011-07-20 }}</ref>


==Description==
== Description ==
Species of the family Macrostomidae are small (~0.5 to 5&nbsp;mm in length) and generally highly transparent microturbellarians. They are usually round in cross section, and with only the largest forms being dorso-ventrally flattened. They are distinguished from related animals by the possession of a simple [[pharynx]] and intestine, a single pair of lateral nerve cords, and by the absence of a [[statocyst]].<ref name="Turb taxon 2776" />
For the diagnosis of the Microstomidae see <ref name="van Beneden 1870"/> and <ref>Tyler, S., Schilling, S., Hooge, M., and Bush L. F. (comp.) (2006-2009) Turbellarian taxonomic database. Version 1.5 http://turbellaria.umaine.edu/turb2.php?action=1&code=2776</ref>

== Ecology and distribution ==
Species of the family Macrostomidae are members of a large range of aquatic faunas, ranging from the [[meiobenthos]], [[benthos|epibenthos]], to [[plankton]]. Moreover, they occur in marine, brackish, and freshwater habitats, and many forms are particularly abundant in the intertidal meiobenthos, where they can be exposed to highly variable environmental conditions. There are also many sub-tidal and a few deep-sea forms. They can be found in all major bodies of water worldwide, and in the freshwater of all continents, except Antarctica.


== References ==
== References ==
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== External links ==
== External links ==
Turbellarian Taxonomic Database: A listing of the taxonomy of turbellarians (http://turbellaria.umaine.edu)<br>
* [http://turbellaria.umaine.edu Turbellarian Taxonomic Database: A listing of the taxonomy of turbellarians]

Macrostomorpha Taxonomy and Phylogeny EDIT Scratchpad (http://macrostomorpha.info)
{{Taxonbar|from=Q3275005}}

[[Category:Turbellaria]]



{{Flatworm-stub}}
<!--- Categories --->
[[Category:Articles created via the Article Wizard]]

Latest revision as of 23:53, 1 May 2024

Macrostomidae
An adult Antromacrostomum armatum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Order: Macrostomida
Family: Macrostomidae
Genera

Macrostomidae[1] is a family of small basal free-living flatworms, and are found in marine, brackish, and freshwater environments.[1] There are currently about 180 named species in this family.[2]

Description[edit]

Species of the family Macrostomidae are small (~0.5 to 5 mm in length) and generally highly transparent microturbellarians. They are usually round in cross section, and with only the largest forms being dorso-ventrally flattened. They are distinguished from related animals by the possession of a simple pharynx and intestine, a single pair of lateral nerve cords, and by the absence of a statocyst.[2]

Ecology and distribution[edit]

Species of the family Macrostomidae are members of a large range of aquatic faunas, ranging from the meiobenthos, epibenthos, to plankton. Moreover, they occur in marine, brackish, and freshwater habitats, and many forms are particularly abundant in the intertidal meiobenthos, where they can be exposed to highly variable environmental conditions. There are also many sub-tidal and a few deep-sea forms. They can be found in all major bodies of water worldwide, and in the freshwater of all continents, except Antarctica.

References[edit]

  1. ^ a b van Beneden, E. 1870. Étude zoologique et anatomique du genre Macrostomum comprenant la description de deux especes nouvelles. Bulletin de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique 30:116-133, one plate.
  2. ^ a b Tyler, S., Schilling, S., Hooge, M., and Bush L. F. (comp.) (2006-2009) Turbellarian taxonomic database. Version 1.5 "Macrostomidae". Archived from the original on 2011-07-20. Retrieved 2010-02-28.

External links[edit]