Traits name details
original description
Dendy, A. (1922). Report on the Sigmatotetraxonida collected by H.M.S.'Sealark' in the Indian Ocean. <i>In</i>: Reports of the Percy Sladen Trust Expedition to the Indian Ocean in 1905, Vol. 7. <em>Transactions of the Linnean Society of London.</em> 18 (1): 1-164, pls 1-18., available online at https://doi.org/10.1111/j.1096-3642.1922.tb00547.x page(s): 38-39 [details] 
additional source
Thomas, P.A. (1973). Marine Demospongiae of Mahe Island in the Seychelles Bank (Indian Ocean). <em>Annales du Musée royal de l'Afrique centrale. Sciences zoologiques.</em> (203): 1-96, pls 1-8. (look up in IMIS) [details] 
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