{{Short description|Genus of sponges}} {{Automatic taxobox | image = Hymeniacidon heliophila.jpg | image_caption = ''Hymeniacidon heliophila'' | taxon = Hymeniacidon | authority = Bowerbank, 1858 | subdivision = {{center|see text}} | synonyms = {{hidden begin|title = List}} * ''Amorphilla'' <small>Thiele, 1898</small> * ''Laxosuberites'' <small>Topsent, 1896</small> * ''Rhaphidostyla'' <small>Burton, 1935</small> * ''Rhaphoxiella'' <small>Burton, 1934</small> * ''Stylinos'' <small>Topsent, 1891</small> * ''Stylohalina'' <small>Kirk, 1909</small> * ''Stylotella'' <small>Lendenfeld, 1888</small> * ''Thieleia'' <small>Burton, 1932</small> * ''Uritaia'' <small>Burton, 1932</small> {{hidden end}} }}
'''''Hymeniacidon''''' is a genus of sea sponges in the class Demospongiae. Some members of the genus are known to be mobile, achieving speeds of between 1 and 4 mm per day.<ref name="Ruppert">Ruppert, E.E., Fox, R.S. and Barnes, R.D. 2004. ''Invertebrate Zoology'' {{ISBN|0-03-025982-7}}</ref>
==Species== The following species are recognised in the genus ''Hymeniacidon'':<ref>{{Cite web|url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=131808|title=WoRMS - World Register of Marine Species - Hymeniacidon Bowerbank, 1858|website=www.marinespecies.org|access-date=2020-06-03}}</ref> {{div col|colwidth=22em}} *''Hymeniacidon actites'' <small>(Ristau, 1978)</small> *''Hymeniacidon addreissiformis'' <small>Dickinson, 1945</small> *''Hymeniacidon agminata'' <small>Ridley, 1884</small> *''Hymeniacidon assimilis'' <small>Levinsen, 1887</small> *''Hymeniacidon atlantica'' <small>Burton, 1948</small> *''Hymeniacidon burtoni'' <small>Van Soest & Hooper, 2020</small> *''Hymeniacidon caerula'' <small>Pulitzer-Finali, 1986</small> *''Hymeniacidon calcifera'' <small>Row, 1911</small> *''Hymeniacidon calva'' <small>(Ridley, 1881)</small> *''Hymeniacidon centrotyla'' <small>Hentschel, 1914</small> *''Hymeniacidon chloris'' <small>de Laubenfels, 1950</small> *''Hymeniacidon conica'' <small>(Kirk, 1909)</small> *''Hymeniacidon corticata'' <small>(Thiele, 1905)</small> *''Hymeniacidon digitata'' <small>(Hansen, 1885)</small> *''Hymeniacidon dubia'' <small>Burton, 1932</small> *''Hymeniacidon dystacta'' <small>de Laubenfels, 1954</small> *''Hymeniacidon fallax'' <small>Bowerbank, 1886</small> *''Hymeniacidon fasciculata'' <small>(Fristedt, 1887)</small> *''Hymeniacidon fernandezi'' <small>Thiele, 1905</small> *''Hymeniacidon flaccida'' <small>Pulitzer-Finali, 1996</small> *''Hymeniacidon flavia'' <small>Sim & Lee, 2003</small> *''Hymeniacidon fristedti'' <small>(Topsent, 1913)</small> *''Hymeniacidon glabrata'' <small>Burton, 1954</small> *''Hymeniacidon gracilis'' <small>(Hentschel, 1912)</small> *''Hymeniacidon halichondroides'' <small>(Thiele, 1898)</small> *''Hymeniacidon heliophila'' <small>Parker, 1910</small> *''Hymeniacidon hentscheli'' <small>Fernandez, Bravo-Gómez, Cárdenas & Hajdu, 2020</small> *''Hymeniacidon iberica'' <small>(Ferrer-Hernandez, 1914)</small> *''Hymeniacidon informis'' <small>(Burton, 1913)</small> *''Hymeniacidon insutus'' <small>Koltun, 1964</small> *''Hymeniacidon kerguelensis'' <small>Hentschel, 1914</small> *''Hymeniacidon kitchingi'' <small>(Burton, 1935)</small> *''Hymeniacidon longistylus'' <small>Desqueyroux, 1972</small> *''Hymeniacidon luxurians'' <small>(Lieberkuhn, 1859)</small> *''Hymeniacidon mixta'' <small>(Sara, 1958)</small> *''Hymeniacidon ovalae'' <small>Tanita & Hoshino, 1989</small> *''Hymeniacidon perlevis'' <small>(Montagu, 1818)</small> crumb-of-bread sponge *''Hymeniacidon petrosioides'' <small>Dendy, 1905</small> *''Hymeniacidon plumigera'' <small>Bowerbank, 1874</small> *''Hymeniacidon proteus'' <small>(Ridley, 1884)</small> *''Hymeniacidon racemosa'' <small>Brondsted, 1924</small> *''Hymeniacidon reptans'' <small>(Cuartas, 1991)</small> *''Hymeniacidon rigida'' <small>Dendy, 1897</small> *''Hymeniacidon rubiginosa'' <small>Thiele, 1905</small> *''Hymeniacidon rugosa'' <small>(Schmidt, 1868)</small> *''Hymeniacidon simplex'' <small>(Bowerbank, 1866)</small> *''Hymeniacidon simplicima'' <small>(Bowerbank, 1874)</small> *''Hymeniacidon sinapium'' <small>Laubenfels, 1930</small> *''Hymeniacidon sphaerodigitata'' <small>Bergquist, 1970</small> *''Hymeniacidon stylifera'' <small>(Stephens, 1915)</small> *''Hymeniacidon sublittoralis'' <small>Samaai & Gibbons, 2005</small> *''Hymeniacidon timonovi'' <small>(Rezvoi, 1931)</small> *''Hymeniacidon torquata'' <small>Topsent, 1916</small> *''Hymeniacidon ungodon'' <small>de Laubenfels, 1932</small> *''Hymeniacidon upaonassu'' <small>Fortunato, Pérez & Lôbo-Hajdu, 2020</small> *''Hymeniacidon variospiculata'' <small>Dendy, 1922</small> *''Hymeniacidon zosterae'' <small>Row, 1911</small> {{div col end}}
==References== {{Commons category|Hymeniacidon}} {{Reflist}}
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Category:Halichondrida Category:Sponge genera Category:Taxa named by James Scott Bowerbank
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