I did this one once in the past, but found it again in another furs journal that I watch, and thought I would fill it out again.

1.) If your fursona had to be a primate, it'd be:
Lemur.

2.) If your fursona had to be a feline, it'd be:
Snow Leopard, Siberian or Canadian Lynx.

3.) If your fursona had to be a canine, it'd be:
Already a wolf. :) A Domesticated fox, Borzoi, or Kishu Inu, might be considered other options.

4.) If your fursona had to be a hoofed animal, it'd be:
Probably a Dall's sheep.

5.) If your fursona had to be a rodent, it'd be:
Siberian Chipmunk.

6.) If your fursona had to be reptile, it'd be:
chameleon.

7.) If your fursona had to be a marsupial, it'd be:
Koala

8.) If your fursona had to be a fish, it'd be:
Aquatic Okamisune: http://www.furaffinity.net/view/12391206/

9.) If your fursona had to be an amphibian, it'd be:
See above. :)

10.) If your fursona had to be an avian/bird, it'd be:
Snowy Owl

11.) If your fursona had to be a creepy crawly, it'd be:
A spider

12.) If your fursona had to be a hybrid, it'd be:
Aquatic Okamisune, or Czechoslovakian Wolfdog

13.) If your fursona had to be a mythical creature, it'd be:
Already an Okami. :) Probably a Kitsune.

14.) If your fursona had to be a Pokémon, it'd be:
Mightyena

15.) If your fursona had to be a plant, it'd be:
Cherry Blossom