Redirect Notice
The previous page is sending you to
https://www.researchgate.net/figure/A-Syntype-USNM-20948-57-mm-of-Helix-cicercula-B-Goulds-1856-pl-5-figs-73_fig5_315721633
.
If you do not want to visit that page, you can
return to the previous page
.