# Halcampidae

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{{Short description|Family of sea anemones}}
{{Automatic taxobox
| image = Halcampa crypta 227545313.jpeg
| image_caption = Halcampa crypta
| taxon = Halcampidae
| authority = Andres, 1883
| subdivision_ranks = Genera
| subdivision = See text
| synonyms = * ''Halcampoididae'' <small>Appellöf, 1896</small>
}}

'''Halcampidae''' is a [family](/source/Family_(taxonomy)) of [sea anemone](/source/sea_anemone)s.<ref>{{cite web |url=http://marinespecies.org/aphia.php?p=taxdetails&id=100667 |title=WoRMS - World Register of Marine Species - Halcampidae Andres, 1883 |website=marinespecies.org |access-date=22 February 2011}}</ref> Members of this family usually live with their column buried in sand or other soft substrates.

==Genera==
Genera in the family include:
* ''[Acthelmis](/source/Acthelmis)'' <small>Lütken, 1875</small>
* ''[Cactosoma](/source/Cactosoma)'' <small>Danielssen, 1890</small>
* ''[Calamactinia](/source/Calamactinia)'' <small>Carlgren, 1949</small>
* ''[Calamactis](/source/Calamactis)'' <small>Carlgren, 1951</small>
* ''[Halcampa](/source/Halcampa)'' <small>Gosse, 1858</small>
* ''[Halcampaster](/source/Halcampaster)''
* ''[Halcampella](/source/Halcampella)'' <small>Andres, 1883</small>
* ''[Halcampoides](/source/Halcampoides)'' <small>Danielssen, 1890</small>
* ''[Halianthella](/source/Halianthella)''
* ''[Kodioides](/source/Kodioides)''
* ''[Mena](/source/Mena_(sea_anemone))''
* ''[Metedwardsia](/source/Metedwardsia)''
* ''[Neohalcampa](/source/Neohalcampa)''
* ''[Parahalcampa](/source/Parahalcampa)''
* ''[Pentactinia](/source/Pentactinia)'' <small>Carlgren, 1900</small>
* ''[Scytophorus](/source/Scytophorus)'' <small>Hertwig, 1882</small>
* ''[Siphonactinopsis](/source/Siphonactinopsis)'' <small>Carlgren, 1921</small>

==Characteristics==
Species of Halcampidae mostly have elongated columns which are sometimes differentiated into different regions. The base is usually rounded but in some species it is flattened. There is no sphincter. There are up to forty tentacles, all of equal length. There are up to twenty pairs of perfect [mesenteries](/source/Mesentery_(zoology)) (internal partitions) with strong retractors. There are one or two [siphonoglyph](/source/siphonoglyph)s (ciliated grooves).<ref>[http://tolweb.org/Halcampoididae/17711 Halcampoididae] Tree of Life Web Project. Retrieved 2011-10-08.</ref><ref>[http://species-identification.org/species.php?species_group=anthozoa&id=21&menuentry=groepen Family Halcampoididae] Marine Species Identification Portal. Retrieved 2011-10-08.</ref>

==References==
{{Reflist}}

{{Taxonbar|from=Q2784899}}

Category:Halcampidae
Category:Metridioidea
Category:Cnidaria families

{{Actiniaria-stub}}

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Adapted from the Wikipedia article [Halcampidae](https://en.wikipedia.org/wiki/Halcampidae) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Halcampidae?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.