Prototrachaita or Prototracheata: How To spell?

The word Prototrachaita is misspelled against Prototracheata, a noun meaning "Same as Malacopoda."

Prototracheata has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets prototrach & ta is misspelled as 'AI'
Wrong Spelling:  prototrach-ai-ta 
Correct Spelling:  prototrach-ea-ta 
Find more incorrect spellings of Prototracheata to spell right way.

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