William M. Frank wrote:
>
> Andrew Dickson of Miami, Florida ([log in to unmask]) has
> submitted images of two species of Scaphella, that are at this
> point, unidentified. Identification suggestions are solicited.
 
Specimens A, especially the second one, probably belongs to the still
bad defined species "Scaphella atlantis" Clench, 1946.Especially if it
has three strong well sculptured columellar plaits.
Shells B are specimens of an undescribed good valid species, close to
scaphella gouldiana but always dwarf,whitish with 4-5 straight
columellar plaits.
The limits of speciation in genus Scaphella is still a debatable
problem. Hi,  Pat