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Keywords from Image Description:
Rhachistia aldabrae shell. Drawing of the apertural view of the shell of Rhachistia aldabrae von Martens Wiegmann Land und SsswasserMollusken der Seychellen nach den Sammlungen von Dr Aug Brauer Mitteilungen aus der Zoologischen Sammlung des Museums fr Naturkunde in Berlin page table figure Eduard von Martens Carl Arend Friedrich