Bible Dictionaries
Tetrabranchiata

Webster's Dictionary

(n. pl.) An order of Cephalopoda having four gills. Among living species it includes only the pearly nautilus. Numerous genera and species are found in the fossil state, such as Ammonites, Baculites, Orthoceras, etc.

Bibliography Information
Webster, Noah. Entry for 'Tetrabranchiata'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tetrabranchiata.html. 1828.