1) Being 2) Geologic era suffix 3) Geological suffix 4) Meso finish 5) Of animal life 6) Organism 7) Pertaining to animals 8) Suffix on era names 9) Suffix used in some eras 10) Suffix with Meso or Neo 11) Suffix with Paleo- Found on https://www.crosswordclues.com/clue/zoic