Wiedenmayer, F. 1977a. The Nepheliospongiidae Clarke 1900(Demospongea, Upper Devonian to Recent), an ultraconservative, chiefly shallow-marine sponge family. Eclogae geologicae Helvetiae 70(3): 885-918.
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Wiedenmayer, F.
1977
The Nepheliospongiidae Clarke 1900(Demospongea, Upper Devonian to Recent), an ultraconservative, chiefly shallow-marine sponge family