| The margin was entire, and not crenulate, as in many dolphins. |
| Processes large near the ends of the major axis and not oblique to it, or scarcely so, the edges with a crenulate border. |
| The serrations tend to be more nearly crenulate than cuspidate. |
| In the example selected for our plate the pinnules are oblong, obtuse and crenulate, or at most, crenately-toothed. |
| Yesilyurt segregated this species based on its filiform segments, pinnate division, and crenulate indusium margins. |
| Crenulata means bearing notches, referring to the crenulate form of the gills, which are very distinct. |
