insertion plate
A B C D E F G H I J L M N O P Q R S T U V W

Narrow marginal extension of the articulamentum of chitons in the head and tail valves and at the sides of intermediate valves. They project into the girdle.

Alternative forms for insertion plate : insertion plates, laminae of insertion.

shell_valve-polyplacophora.jpg

shell_valve-polyplacophora.jpg