OKINAWAN OPISTHOBRANCH-LIKE
ANIMAL OF THE WEEK

Scutus unguis (Linnaeus, 1758) 43mm


Scutus unguis (Linnaeus, 1758) 20mm shell from the above 43mm animal
[shell not shown in the same proportion as the animal]

Opisthobranch-like Animal of the Week Data

Taxonomy:

Frequency on Okinawa: Collection Data:

        Once again, as with several earlier presentations, I've decided to depart from the usual opisthobranch presentation with the above featured animal. Although it superficially resembles an opisthobranch, it in fact is classified into an entirely different group of molluscs, the Prosobranchia. The conventional schema of mollusc classification is to divide the Class Gastropoda into the following three Subclasses: