Volkmer-Ribeiro & Reitner 1991. Renewed study of the type material of Palaeospongilla chubutensis Ott and Volkheimer (1972). Reitner, J.; Keupp, H.[Eds]. Fossil and Recent sponges., Springer-Verlag, Berlin, Heidelberg & New York, 1991: i-xviii, 1-595. Chapter pagination: 121-133