Acanthella is a genus of sponges in the family Dictyonellidae, which was first described in 1862 by Eduard Oscar Schmidt. The type species is Acanthella acuta Schmidt, 1862 (designated by Vosmaer in 1912).
Species According to the WoRMS database, accepted species are: Acanthella aculeata Thiele, 1898 Acanthella acuta Schmidt, 1862 Acanthella annulata Sarà, 1958 Acanthella branchia Sim, Kim & Byeon, 1990 Acanthella calyx Dendy, 1922 Acanthella cavernosa Dendy, 1922 Acanthella costata Kieschnick, 1900 Acanthella cubensis (Alcolado, 1984) Acanthella danerii Costa, Bavestrello, Pansini & Bertolino, 2020 Acanthella dendyi (Bergquist, 1970) Acanthella erecta (Carter, 1876) Acanthella flabellata (Tanita, 1961) Acanthella flagelliformis (van Soest & Stentoft, 1988) Acanthella gorgonoides (Thomas, 1984) Acanthella hispida Pulitzer-Finali, 1982 Acanthella insignis Thiele, 1898 Acanthella klethra Pulitzer-Finali, 1982 Acanthella ligulata (Burton, 1928) Acanthella mastophora (Schmidt, 1870) Acanthella megaspicula Thomas, 1984 Acanthella minuta Tanita, 1968 Acanthella multiformis Vosmaer, 1885 Acanthella oviforma Tanita & Hoshino, 1989 Acanthella pulcherrima Ridley & Dendy, 1886 Acanthella ramosa Kumar, 1925 Acanthella ramus (Sim, Kim & Byeon, 1990) Acanthella simplex Thiele, 1898 Acanthella stanleei Nascimento, Cavalcanti & Pinheiro, 2019 Acanthella styloida Tanita & Hoshino, 1989 Acanthella tenuispiculata Dendy, 1897 Acanthella vaceleti van Soest & Stentoft, 1988 Acanthella vulgata Thiele, 1898 Acanthella xutha (de Laubenfels, 1954)
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