The word Ichthyosari is misspelled against Ichthyosauri, which is plural of "Ichthyosaurus"
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Word contains consecutive vowels 'AU' in between alphabets ichthyos & ri is misspelled as 'A' as letter 'U' is phonetically ign
Wrong Spelling:  ichthyos-a-ri 
Correct Spelling:  ichthyos-au-ri 
Find more incorrect spellings of Ichthyosauri to spell right way.