Hymeniacidon
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.
Species
The following species are recognised in the genus Hymeniacidon:- Hymeniacidon actites
- Hymeniacidon addreissiformis Dickinson, 1945
- Hymeniacidon agminata Ridley, 1884
- Hymeniacidon assimilis Levinsen, 1887
- Hymeniacidon atlantica Burton, 1948
- Hymeniacidon burtoni Van Soest & Hooper, 2020
- Hymeniacidon caerula Pulitzer-Finali, 1986
- Hymeniacidon calcifera Row, 1911
- Hymeniacidon calva
- Hymeniacidon centrotyla Hentschel, 1914
- Hymeniacidon chloris de Laubenfels, 1950
- Hymeniacidon conica
- Hymeniacidon corticata
- Hymeniacidon digitata
- Hymeniacidon dubia Burton, 1932
- Hymeniacidon dystacta de Laubenfels, 1954
- Hymeniacidon fallax Bowerbank, 1886
- Hymeniacidon fasciculata
- Hymeniacidon fernandezi Thiele, 1905
- Hymeniacidon flaccida Pulitzer-Finali, 1996
- Hymeniacidon flavia Sim & Lee, 2003
- Hymeniacidon fristedti
- Hymeniacidon glabrata Burton, 1954
- Hymeniacidon gracilis
- Hymeniacidon halichondroides
- Hymeniacidon heliophila Parker, 1910
- Hymeniacidon hentscheli Fernandez, Bravo-Gómez, Cárdenas & Hajdu, 2020
- Hymeniacidon iberica
- Hymeniacidon informis
- Hymeniacidon insutus Koltun, 1964
- Hymeniacidon kerguelensis Hentschel, 1914
- Hymeniacidon kitchingi
- Hymeniacidon longistylus Desqueyroux, 1972
- Hymeniacidon luxurians
- Hymeniacidon mixta
- Hymeniacidon ovalae Tanita & Hoshino, 1989
- Hymeniacidon perlevis crumb-of-bread sponge
- Hymeniacidon petrosioides Dendy, 1905
- Hymeniacidon plumigera Bowerbank, 1874
- Hymeniacidon proteus
- Hymeniacidon racemosa Brondsted, 1924
- Hymeniacidon reptans
- Hymeniacidon rigida Dendy, 1897
- Hymeniacidon rubiginosa Thiele, 1905
- Hymeniacidon rugosa
- Hymeniacidon simplex
- Hymeniacidon simplicima
- Hymeniacidon sinapium Laubenfels, 1930
- Hymeniacidon sphaerodigitata Bergquist, 1970
- Hymeniacidon stylifera
- Hymeniacidon sublittoralis Samaai & Gibbons, 2005
- Hymeniacidon timonovi
- Hymeniacidon torquata Topsent, 1916
- Hymeniacidon ungodon de Laubenfels, 1932
- Hymeniacidon upaonassu Fortunato, Pérez & Lôbo-Hajdu, 2020
- Hymeniacidon variospiculata Dendy, 1922
- Hymeniacidon zosterae Row, 1911