Bible Dictionaries
Placodermi

Webster's Dictionary

(n. pl.) An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus.

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