Traits name details
original description
(of ) Sollas, W.J. (1879). On <i>Plocamia plena</i>, a new Species of Echinonematous Sponge. <em>Annals and Magazine of Natural History.</em> (5) 4(19): 44-53, pls VI-VII., available online at https://doi.org/10.1080/00222937908679783 [details] 
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