plural noun
Pec·​tini·​bran·​chia | \ ˌpektənəˈbraŋkēə, pekˌtin- \

Definition of Pectinibranchia

: a large order of Gastropoda (subclass Streptoneura) comprising univalve mollusks that have a single kidney, have typically a single ctenidium which resembles a comb and is usually attached to the mantle throughout its length, and have a heart with only one auricle

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History and Etymology for Pectinibranchia

New Latin, from pectin- + -branchia

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Cite this Entry

“Pectinibranchia.” Dictionary, Merriam-Webster, Accessed 30 Oct. 2020.

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