Author: Institut océanographique
Publisher:
ISBN:
Category : Ocean
Languages : en
Pages : 188

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Book Description

Author: Institut océanographique
Publisher:
ISBN:
Category : Marine biology
Languages : en
Pages : 388

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Book Description

Author: Institut Océanographique
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description

Author: Institut océanographique
Publisher:
ISBN:
Category : Oceanography
Languages : fr
Pages : 490

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description

Author: John N.A. Hooper
Publisher: Springer Science & Business Media
ISBN: 1461507472
Category : Science
Languages : en
Pages : 1779

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Book Description
Research whilst compiling this book has uncovered a fauna about twice the size as that previously published in the literature and consequently Systema Porifera revises and stabilizes the systematics of the phylum to accommodate this new knowledge in a contemporary framework. Practical tools (key illustrations, descriptions of character) are provided to facilitate the assignment of approximately 680 extant and 100 fossil genera. Systema Porifera is unique making sponge taxonomy widely available at the practical level of classification (genera, families, order). It is a taxonomic revision of sponges and spongiomorphis (such as sphinctozoans and archaeocyathans) based on re-evaluation of type materials and evidence. It is also a practical guide to sponge identification providing descriptions and illustrations of characters and interpretation of their importance to systematics. Systema Porifera addresses many long standing nomenclatural problems and provides a sound baseline for future debate on sponges and their place in time and space. Systema Porifera describes 3 classes, 7 subclasses, 24 orders, 127 families and 682 valid genera of extant sponges (with over 1600 nominal generic names and an additional 500 invalid names treated). Treatment of the fossil fauna is less comprehensive or critical, although 6 classes, 30 orders, 245 families and 998 fossil genera are mentioned. Keys to all recent and many fossil taxa are provided.

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1170

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Book Description
First multi-year cumulation covers six years: 1965-70.

Author: D. J. Aitken
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3112316010
Category : Language Arts & Disciplines
Languages : en
Pages : 1144

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Book Description
No detailed description available for "1983".