polyplacophoran
/ˌpɒlɪpləˈkɒf(ə)rən/Zoology
adjective
Of or relating to the class Polyplacophora of gastropod molluscs, which comprises the chitons.
noun
A mollusc of the class Polyplacophora, a chiton.
Origin
Late 19th century; earliest use found in The Century Dictionary. From scientific Latin Polyplacophora + -an.