Sponges (Porifera)

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Sponges (phylum Porifera) are known to be very rich sources for bioactive compounds, mainly secondary metabolites. Main efforts are devoted to cell- and maricul

Systema Porifera

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Research whilst compiling this book has uncovered a fauna about twice the size as that previously published in the literature and consequently Systema Porifera

Taxonomy of Porifera

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Although sponges are one of the major components of littoral ecosystems, their systematics obviously lags behind that of the majority of other groups of marine

The Comparative Embryology of Sponges

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One of the major questions in the evolution of animals is the transition from unicellular to multicellular organization, which resulted in the emergence of Meta

Comprehensive Revision of a Worldwide Collection of Freshwater Sponges

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Racek seems to have authored much of this work after the death of J. T. Penney and undertook a study and review of Penny's huge colleciton of material and unpub