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Keywords from Image Description:
Parafossarulus manchouricus shell. Drawing of an apertural view of the shell of Parafossarulus manchouricus Bourguignat Catalogue des mollusques de la famille des paludines recueillis jusqu' ce jour en Sibrie et sur la territoire de l'Amour Revue et Magasin de Zoologie srie org page org page plate figure Cropped background