Mothes, B., and C. M. M. Silva. “Stelletta Ruetzleri Sp. Nov., a New Ancorinid from the Southwestern Atlantic (Porifera, Astrophorida)”. Scientia Marina, vol. 66, no. 1, Mar. 2002, pp. 69-75, doi:10.3989/scimar.2002.66n169.