Bible Dictionaries
Prosobranchiata

Webster's Dictionary

(n. pl.) The highest division, or subclass, of gastropod mollusks, including those that have the gills situated anteriorly, or forward of the heart, and the sexes separate.

Bibliography Information
Webster, Noah. Entry for 'Prosobranchiata'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/prosobranchiata.html. 1828.