Lee, W.L. (2001). Four new species of Forcepia (Porifera, Demospongiae, Poecilosclerida, Coelosphaeridae) from California and synonymy of Wilsa de Laubenfels, 1930, with Forcepia, Carter, 1874. Proceedings of the California Academy of Sciences. 52(18): 227-244.
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Lee, W.L.
2001
Four new species of <i>Forcepia</i> (Porifera, Demospongiae, Poecilosclerida, Coelosphaeridae) from California and synonymy of <i>Wilsa</i> de Laubenfels, 1930, with <i>Forcepia</i>, Carter, 1874