The word Paloecarida is misspelled against Paleocarida, a noun meaning "Same as Merostomata."
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Word contains consecutive vowels 'EO' in between alphabets pal & carida is misspelled as 'OE'
Wrong Spelling:  pal-oe-carida 
Correct Spelling:  pal-eo-carida 
Find more incorrect spellings of Paleocarida to spell right way.