Aphetohyoidea

Aph·​e·​to·​hy·​oi·​dea

¦afəˌtōˌhīˈȯidēə

taxonomic synonym of placodermi

Word History

Etymology

New Latin, from Greek aphetos let loose, free + New Latin -hyoidea (from Greek hyoeidēs shaped like an upsilon, from hy, y upsilon + -oeidēs -oid

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