zootheisthttp://www.oed.com/dictionary/zootheist_n%3Ftab%3Dmeaning_and_usezootheist, n.
First published 2017

zootheistnoun

Now rare.
  1. 1879–
    A person who worships or venerates animals; cf. zootheism n.
    1. 1879
      Many of the Indians of North America, and many of South America, and many of the tribes of Africa, are found to be zootheists.
      Popular Science Monthly October 805
    2. 1896
      Palaeolithic man for instance, was certainly not a ‘zootheist’, or a ‘theist’ of any kind.
      A. H. Keane, Ethnology i. i. 11
    3. 2000
      ‘I said it to everyone,’ said Bill, ‘to monotheists, polytheists, cosmotheists, henotheists, zootheists.’
      H. Middleton, Bright Country 115

Originally published as part of the entry for zoo-, comb. form

zootheist, n. was first published in 2017.