Crossopterygi or Crossopterygii: How To spell?

The word Crossopterygi is misspelled against Crossopterygii, a noun meaning "An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei."

--> Crossopterygii has double 'ii' in the end mispronounced as 'i'
Remember double 'II' appears in the end of this word which should not be misspelled with single 'I'
Wrong Spelling:  crossopteryg-i 
Correct Spelling:  crossopteryg-ii 
Find more incorrect spellings of Crossopterygii to spell right way.

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