Aspidobranchia

plural noun

As·​pi·​do·​bran·​chia

-ˈbraŋkēə

: an order of Streptoneura comprising marine gastropods having the nervous system only slightly concentrated, usually exhibiting clear traces of ancestral bilateral symmetry, with two kidneys and two auricles, and including the limpets and other primitive forms

aspidobranchiate

-¦braŋkēə̇t

-ēˌāt

adjective or noun

Word History

Etymology

New Latin, from aspid- + -branchia

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