SEM scalebar = 1 µm

Site ID: Iowa Lakeside Lab Collection 2009-14

Site Name: Little Miller's Bay, Dickinson County Iowa

Latitude: 43.37534

Longitude: 95.15098

Caption: external view,proximal raphe ends. Note that the first 1-2 rows of areolae within a stria are oval. Farther from the central area, the areolae are lineolate

Notes: Set Castro

Contributor: Sarah Spaulding - April 2010