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R├╝tzler, K. (1987). Tetillidae (Spirophorida, Porifera): a taxonomic reevaluation. In: Vacelet J, Boury-Esnault N (eds) Taxonomy of Porifera from the N.E. Atlantic and the Mediterranean Sea. NATO Advanced Science Institutes Series G, Ecological Sciences volume 13. Springer, Heidelberg, pp 187-203.