The word Protrachaeta is misspelled against Protracheata, a noun meaning "Same as Malacopoda."
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Protracheata has vowels 'ea' together mispronounced as 'ae'
Word contains consecutive vowels 'EA' in between alphabets protrach & ta is misspelled as 'AE'
Wrong Spelling:  protrach-ae-ta 
Correct Spelling:  protrach-ea-ta 
Find more incorrect spellings of Protracheata to spell right way.