Note Sur Quelques Unionid�s (Mollusques P�l�cypodes) de la Normandie: Avec 4 Planches En Photocollographie Et 17 figures Dans Le Texte (Classic Reprint) - Softcover

Louis Germain

9780243425747: Note Sur Quelques Unionid�s (Mollusques P�l�cypodes) de la Normandie: Avec 4 Planches En Photocollographie Et 17 figures Dans Le Texte (Classic Reprint)

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ISBN 10: 0243425740 ISBN 13: 9780243425747

Publisher: Forgotten Books, 2019

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Excerpt from Note sur Quelques Unionid�s (Mollusques P�l�cypodes) De la Normandie: Avec 4 Planches en Photocollographie Et 17 ﬁgures dans le Texte

Les trop nombreuses esp�ces �tablies par bourguignat et les auteurs de son �cole ont rendu extr�mement p�nible l'�tude des Unionid�s (le la. Faune fran�aise. Le moment n'est pas encore venu de pr�senter une r�vision compl�te de cette import�mte famille de P�l�cypodes, mais les mat�riaux que j'accumule depuis quelques ann�es, et l'�tude de la collection A. Locard_, que je poursuis m�thodiquement, me permettront sans doute de l'entreprendre d'ici quelques ann�es. Cependant, les documents amass�s par M. Henri gadeau DE kerville, en vue de la r�daction de son impor tante Faune de la Normandie, m'ont mis � m�me de fixer la valeur d'un certain nombre de types d'unios, d'anc dontes et de Pseudanodontes. Gr�ce � l'amabilit� et � lag�n�rosit� bien connues du savant naturaliste rouennais, j'ai pu figurer les plus int�ressants de ces types et les ratta cher, pour la plupart, � des esp�ces d�j� d�crites. J'esp�re que cette premi�re contribution � la r�vision des P�l�cypodes d'eau douce de notre Faune fran�aise apportera pour les groupes �tudi�s ici un peu de clart� dans le chaos des quelques 530 esp�ces de Na�ades jusqu'ici signal�es dans nos rivi�res.

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Publisher: Forgotten Books
Publication date: 2019
Language: English
ISBN 10: 0243425740
ISBN 13: 9780243425747
Binding: Paperback
Number of pages: 45

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Note sur Quelques Unionid� s (Mollusques P� l� cypodes) De la Normandie

Louis Germain

Published by Forgotten Books, 2024

ISBN 10: 0243425740 ISBN 13: 9780243425747

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Paperback. Condition: New. Print on Demand. This book analyzes the evolution and current state of knowledge surrounding freshwater mollusks known as Unionids. This family of bivalves includes species commonly known as freshwater mussels or naiads and is particularly diverse in French waterways. The author was granted access to a renowned collection of Unionids assembled by the naturalist Henri Gadeau de Kerville. This unique opportunity allowed the author to meticulously examine numerous type specimens and clarify their taxonomic status, shedding light on the complex systematics of this group. Throughout the book, the author explores the rich diversity of Unionids in Normandy, France, with a focus on resolving the identities of species previously described by other researchers. The author's findings contribute significantly to our knowledge of the taxonomy and distribution of these fascinating creatures. By untangling the complexities of Unionid classification, this book provides a valuable resource for biologists and naturalists alike. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9780243425747_0

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