plural noun

: 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
adjective or noun

Word History


New Latin, from aspid- + -branchia

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Dictionary Entries Near Aspidobranchia

Cite this Entry

“Aspidobranchia.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2023.

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