Well, I went by the looks AND by the fact that a professor where I work used a classification table of the norn species to lightheartedly introduce the topic of classifications to his biology students. (domains, kingdoms, phyla, classes, orders, families, genera and species. ). His table distinguished 8 species (2 wave at people !)by horns, etc.
I did not check for keywords as there was nothing annoying in the pic.
Well, I went by the looks AND by the fact that a professor where I work used a classification table
pig, featuring 
