Archive image from page 292 of Die Opisthobranchiata der Siboga-expedition (1905). Die Opisthobranchiata der Siboga-expedition dieopisthobranch00berg Year: 1905 Siboga-Expeditie. L. R. Bergh. Opisthobranchia. Taf. TX. R. Bergh, del. P. W. M. Trap in

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