monoplacophoran
/ˌmɒnə(ʊ)pləˈkɒf(ə)rən/Zoology
adjective
Of, relating to, or designating a mollusc of the class Monoplacophora.
noun
A monoplacophoran mollusc.
Origin
1950s; earliest use found in Science. From scientific Latin Monoplacophora + -an.