crenated

The form of the shell also is shorter; but the general contour, and particularly the crenated mouth, common to both, clearly proves it can be considered only as a distinct variety.

From Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson

The edge is crenated, and the muscular impressions are very distinct, and raised above the surface, particularly that on the anterior valve, which is both pellucid and tubercular 18.

From Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 by Phillip Parker King

External to and behind the pyramid is the crenated section of the olivary nucleus, the surface bulging of which forms the olivary body.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

Shell white, with capillary green bands; spire elongated, sub-attenuated, of six convex volutions; outer lip crenated; base slightly truncate.

From Zoological Illustrations, Volume I or Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson

Unio fragilis is principally distinguished by the cardinal teeth: those in the right valves are 2; short, obtuse, and nearly obsolete, more resembling tubercles, than the crenated or striated teeth of this genus.

From Zoological Illustrations, Volume III or Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson