The word Plesiosavri is misspelled against Plesiosauri, which is plural of "Plesiosaurus"
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Word contains consecutive vowels 'AU' in between alphabets plesios & ri is misspelled as 'AV'
Wrong Spelling: plesios-av-ri
Correct Spelling: plesios-au-ri
Find more incorrect spellings of Plesiosauri to spell right way.