The word Prototracheuta is misspelled against Prototracheata, a noun meaning "Same as Malacopoda."
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Prototracheata has vowels 'ea' together mispronounced as 'eu'
Word contains consecutive vowels 'EA' in between alphabets prototrach & ta is misspelled as 'EU'
Wrong Spelling:  prototrach-eu-ta 
Correct Spelling:  prototrach-ea-ta 
Check more misspelled words of Prototracheata to spell it correct.