Hateria or Hatteria: How To spell?

The word Hateria is misspelled against Hatteria, a noun meaning "A New Zealand lizard, which, in anatomical character, differs widely from all other existing lizards. It is the only living representative of the order Rhynchocephala, of which many Mesozoic fossil species are known; -- called also Sphenodon, and Tuatera."