Only two venomous<unk>  species in the world
Venom secreted from glands in mucosa of lower jaw
~70% of bites involve envenomation
Dislodged teeth are common
Tenacious biters that frequently involve forceful removal
Species: Heloderma suspectum
Geographic Distribution: Southwestern United States and Northwestern Mexico
Species: Heloderma horridum
Geographic Distribution: Central and Southern Mexico
Lizard bites
Hymenoptera stings 
Snake bites
Mammalian bites
Spider bites
Closed fist infection 
Octopus bite
Dog bite