{{Short description|Family of acoels}} {{Automatic taxobox | taxon = Hofsteniidae | authority = Bock, 1923 }}

'''Hofsteniidae''' is a family of acoels. This family contains seven species in three genera. <ref name="WORMS">{{cite web |author=Seth Tyler |year=2010 |title=Hofsteniidae|publisher=World Register of Marine Species |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=142037|accessdate=May 16, 2019}}</ref>

This worm ranges in size from 100 μm for embryos to 500 μm for adults, and exhibits "whole-body regeneration" capability, where entire body parts regenerate when removed from the body.<ref>{{Cite journal|last1=Srivastava|first1=Mansi|last2=Mazza-Curll|first2=Kathleen L.|last3=van Wolfswinkel|first3=Josien C.|last4=Reddien|first4=Peter W.|date=2014-05-19|title=Whole-Body Acoel Regeneration Is Controlled by Wnt and Bmp-Admp Signaling|journal=Current Biology|language=English|volume=24|issue=10|pages=1107–1113|doi=10.1016/j.cub.2014.03.042|issn=0960-9822|pmid=24768051|s2cid=7639757|doi-access=free}}</ref> They have a simple nervous system and a bowel sac with no way out.<ref>{{Cite journal|last1=Gehrke|first1=Andrew R.|last2=Neverett|first2=Emily|last3=Luo|first3=Yi-Jyun|last4=Brandt|first4=Alexander|last5=Ricci|first5=Lorenzo|last6=Hulett|first6=Ryan E.|last7=Gompers|first7=Annika|last8=Ruby|first8=J. Graham|last9=Rokhsar|first9=Daniel S.|last10=Reddien|first10=Peter W.|last11=Srivastava|first11=Mansi|date=2019-03-15|title=Acoel genome reveals the regulatory landscape of whole-body regeneration|journal=Science|language=en|volume=363|issue=6432|doi=10.1126/science.aau6173|issn=0036-8075|pmid=30872491|doi-access=free}}</ref>

==Genera== There are three genera in the family ''Hofsteniidae''.<ref name="WORMS"/> *''Hofstenia'' <small>Bock, 1923</small> *''Hofsteniola'' <small>Papi, 1957</small> *''Marcusiola'' <small>Steinböck, 1966</small>

==Species== There are seven species in the family Hofsteniidae.<ref name="WORMS"/>

{| class="wikitable sortable" style="text-align:left;" |- !scope="col"| Name{{#tag:ref|A binomial authority in parentheses indicates that the species was originally described in a different genus.|group=lower-alpha}} !scope="col"| Image !scope="col"| Distribution !scope="col"| Description |- |scope="row" align="left"|''Hofstenia arabiensis'' <small>Beltagi & Mandura, 1991</small> | | | |- |scope="row" align="left"|''Hofstenia atroviridis'' <small>Bock, 1923</small> | | | |- |scope="row" align="left"| ''Hofstenia beltagii'' <small>Steinböck, 1966</small> | | | |- |scope="row" align="left"|''Hofstenia miamia'' <small>Correa, 1960</small> ('three-banded panther worm') | | | |- |scope="row" align="left"|''Hofstenia minuta'' <small>Palombi, 1928</small> | | | |- |scope="row" align="left"| ''Hofsteniola pardii'' <small>Papi 1957</small> | | | |- |scope="row" align="left"|''Marcusiola tinga'' <small>(Marcus, 1957)</small> | | | |- |}

==Notes== {{Notelist}}

==References== {{Reflist}}

{{Taxonbar|from=Q3387292}}

Category:Acoela

{{Xenacoelomorpha-stub}}