Formerly classed with the Chiton; but as the testaceous plates of this
genus are never joined, the two may be easily distinguished.
Shell elongated, multivalve; alternate pieces generally longitudinal;
sides naked.
Chitonellus striatus.
Chitonellus larvæformis.
_C. striatus._ The striated Chitonellus.
Striæ radiating from the apex of each valve; margin serrated; base of
the last valve obtuse.
_C. larvæformis._ The Caterpillar Chitonellus.
More or less cylindrical, almost naked; the valves of the shell very
small, and almost entirely concealed under the skin; tufts hairy or
silky between the parts of the valves near the margin.