Notoplax aupouria is a very rare species of chiton in the family Acanthochitonidae.
This species is endemic
to New Zealand
's Three Kings Islands
This chiton is only known from a few median valves
, taken at a depth of about 170 m
The median valves
have the tegmentum relatively small and narrowly triangular, but the sutural
laminae is very wide. The jugum
is a smooth narrow subparallel strip, and the rest of the tegmentum has eleven rows of oval pustules on each side.
Coloration is pinkish-buff, with white laminae.
Height of a median valve is up to 3.6 mm, and width up to 3.5 mm.