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| Astrophorida, Agelasida, Geodia, Dendroceratida, Craniella |
Tetractinellida is an order of the demosponge class. First described in 1876, this order received a new description in 2012 and replaced the two orders Astrophorida and Spirophorida, which then became sub-orders as Astrophorina and Spirophorina.
Family Ancorinidae Schmidt, 1870
Family Azoricidae Sollas, 1888
Family Calthropellidae Lendenfeld, 1907
Family Corallistidae Sollas, 1888
Family Geodiidae Gray, 1867
Family Isoraphiniidae Schrammen, 1924
Family Macandrewiidae Schrammen, 1924
Family Neopeltidae Sollas, 1888
Family Pachastrellidae Carter, 1875
Family Phymaraphiniidae Schrammen, 1924
Family Phymatellidae Schrammen, 1910
Family Pleromidae Sollas, 1888
Family Samidae Sollas, 1888
Family Scleritodermidae Sollas, 1888
Family Siphonidiidae Lendenfeld, 1903
Family Spirasigmidae Hallmann, 1912
Family Stupendidae Kelly & Cárdenas, 2016
Family Tetillidae Sollas, 1886
Family Theneidae Carter, 1883
Family Theonellidae Lendenfeld, 1903
Family Thoosidae Cockerell, 1925
Family Thrombidae Sollas, 1888
Family Vulcanellidae Cárdenas, Xavier, Reveillaud, Schander & Rapp, 2011
Tetractinellida Wikipedia (Text) CC BY-SA
