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Key to Irish Chitons
Identification Key



Start of Key

1a.
The girdle is dotted with intersegmental tufts of spicules.

Intermediate valves have a diamond-shaped area of tegmentum. (If valves are separate from the girdle, wide insertion plates are visible.)

1b.
Girdle without isolated tufts of spicules.

Individual intermediate valves with a generally rounded rectangular shape to the tegmentum.

Acanthochitonidae: Acanthochitona