tornaria (fig. 229) cannot be definitely united either with the Trochosphere or with the Echinoderm larval type.
Alimentary diverticula are characteristic of the larv of the Echinodermata and of tornaria.
A peculiar little creature, known as tornaria, was once considered to be the larva of a starfish.
In addition to this ciliated band the form of the tornaria is quite characteristic and unlike the adult.
