Iophon is a genus of sponges belonging to the family Acarnidae. The genus has a cosmopolitan distribution.
Description
This genus contains species with non-fistulose, massive, branching or encrusting growth forms. The ectosomal (outer) skeleton is made of tylotes (long, slender megascleres with knobs at both ends) with microspined bases. The choanosomal (inner) skeleton is a rounded, triangular or square-meshed network of smooth or spined choanosomal styles, arranged singly or with 2-3 per row. The microscleres include bipocilla and palmate anisochelae with spurs. Bipocilla are unique to this genus. They are modified anisochela in which the wing-like alae are joined together by a short curved shaft. Toxas are absent.
Species
The following species are recognised:
- Iophon abnormalis <small>(Ridley & Dendy, 1886)</small>
- Iophon aceratum <small>(Hentschel, 1914)</small>
- Iophon bipocillum <small>(Aguilar-Camacho, Carballo & Cruz-Barraza, 2013)</small>
- Iophon cheliferum <small>(Ridley & Dendy, 1886)</small>
- Iophon chilense <small>(Desqueyroux-Faúndez & van Soest, 1996)</small>
- Iophon cylindricum <small>(Ridley & Dendy, 1886)</small>
- Iophon dogieli <small>(Koltun, 1955)</small>
- Iophon dubium <small>(Hansen, 1885)</small>
- Iophon flabellodigitatum <small>(Kirkpatrick, 1907)</small>
- Iophon frigidum (<small>Lundbeck, 1905)</small>
- Iophon funis <small>(Topsent, 1892)</small>
- Iophon gaussi <small>(Hentschel, 1914)</small>
- Iophon hesperidesi <small>(Rios, Cristobo & Urgorri, 2004)</small>
- Iophon husvikense <small>(Goodwin, Brewin & Brickle, 2012)</small>
- Iophon hyndmani <small>(Bowerbank, 1858)</small>
- Iophon indentatus <small>(Wilson, 1904)</small>
- Iophon koltuni (<small>Morozov, Sabirov & Zimina, 2019)</small>
- Iophon laevistylus (<small>Dendy, 1924)</small>
- Iophon lamella <small>(Wilson, 1904)</small>
- Iophon laminale <small>(Ridley & Dendy, 1886)</small>
- Iophon methanophila <small>(Cárdenas, 2019)</small>
- Iophon minor <small>(Brøndsted, 1924)</small>
- Iophon nigricans <small>(Bowerbank, 1858)</small>
- Iophon omnivorus <small>(Ridley & Dendy, 1887)</small>
- Iophon ostiamagna <small>(Wilson, 1904)</small>
- Iophon parvachela <small>(Esteves, de Paula, Lerner, Lôbo-Hajdu & Hajdu, 2018)</small>
- Iophon piceum <small>(Vosmaer, 1882)</small>
- Iophon pictoni <small>(Goodwin, Brewin & Brickle, 2011)</small>
- Iophon pluricorne <small>(Topsent, 1907)</small>
- Iophon pommeraniae <small>(Thiele, 1903)</small>
- Iophon proximum <small>(Ridley,1881)</small>
- Iophon radiatum <small>(Topsent, 1901)</small>
- Iophon rayae <small>(Bakus, 1966)</small>
- Iophon roseum <small>(Goodwin, Brewin & Brickle, 2016)</small>
- Iophon semispinosum <small>(Bergquist, 1961)</small>
- Iophon spinulentum <small>(Bowerbank, 1866)</small>
- Iophon terranovae <small>(Calcinai & Pansini, 2000)</small>
- Iophon timidum <small>(Desqueyroux-Faúndez & van Soest, 1996)</small>
- Iophon tubiforme <small>(Desqueyroux-Faúndez & van Soest, 1996)</small>
- Iophon unicorne <small>(Topsent, 1907)</small>
- Iophon variopocillatum <small>(Alander, 1942)</small>
References