1.   The lateral and ventral arm plates have distinctive transverse ridges most noticeable in dry or nearly dry specimens.

2.   The lateral and ventral arm plates have distinctive transverse ridges most noticeable in dry specimens.

3.   The plates have blue lines around the edges.

4.   The plate had a crack in it.

5.   The plate had a hairline running across it.

6.   As some plates have horizontal dimensions of thousands of kilometres it has been argued that convection cells of equivalent horizontal and vertical dimensions would be required to move them.

7.   Among other things, a metal plate had to be inserted in his head to hold one of his eyeballs in place.

8.   And just like a twig, the plate has to give somewhere.

9.   And the plate would have old pitchforks sticking out of it.

10.   A plate of food has to have balance.