Andrew Dickson wrote:
>
>   After I had written my articles I realized the columellar plaits of
> the smaller unicolored Scaphellas are more similar to the plaits
> belonging to Scaphella junonia.  I also point out that this suggests the
> subgenus of Scaphella "Clenchina" is invalid.
>   Emerson and Old belived this subgenus was trivial based on the
> comparison of radula charactaristics of S. contoyensis, S. evelina and
> S. junonia.
>
> Andrew Dickson
> [log in to unmask]
I agree.
Difference of radula between subgenus "Scaphella" and "clenchina" is too
thin and does not correspond to modern criteria. "Clenchina" drops in
synonymy and must be forsaken.
Pat Bail.