Image: Vertigo ovata aperture
Vertigo_ovata_aperture.jpg (482 × 562 pixels, file size: 66 KB, MIME type: image/jpeg)
Description: drawing of the aperture of the shell of Vertigo ovata
Title: Vertigo ovata aperture
Credit: Dall W. H. 1905 Alaska, Volume XIII, Land and Fresh Water Mollusks. New York, Daubleday, Page & Complany, pages 1-157, page 31.
Author: W. H. Dall (1845-1927)
Permission: public domain
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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