From WikiFur, the furry encyclopedia.
- Mark Shark's profile on deviantART. Retrieved March 20, 2014.
- Mark Shark's profile on SoFurry. Retrieved March 20, 2014.
|This person is a WikiFur user:|
- MarcosWerewolf on deviantART
- Mark Shark on Fur Affinity (suspended)
- Mark Shark on SoFurry
- Mark Shark's profile page on the Fur Affinity Forums
|This stub about a person could be .|