#lusus_naturae__lususnaturae__freak__monster__monstrosity  a person or animal that is markedly unusual or deformed
  supertype:  mutant.living_thing__mutation__sport  an organism that has characteristics resulting from chromosomal alteration
  subtype:  leviathan.lusus_naturae  the largest or most massive thing of its kind; "it was a leviathan among redwoods"; "they were assigned the leviathan of textbooks"

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