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McCormack, G. P.; Erpenbeck, D.; Van Soest, R. W. M. (2002). Major discrepancy between phylogenetic hypotheses based on molecular and morphological criteria within the Order Haplosclerida (Phylum Porifera: Class Demospongiae). Journal of Zoological Systematics and Evolutionary Research. 40(4): 237-240.
McCormack, G. P.; Erpenbeck, D.; Van Soest, R. W. M. (2002). Major discrepancy between phylogenetic hypotheses based on molecular and morphological criteria within the Order Haplosclerida (Phylum Porifera: Class Demospongiae). Journal of Zoological Systematics and Evolutionary Research. 40(4): 237-240.