Reptilia

Dao Van Tien's Stream Snake

Opisthotropis daovantieni

Durand's Mountain Stream Snake

Opisthotropis durandi

Guanxi Mountain Keelback

Opisthotropis guangxiensis

Hai Ha Mountain Stream Keelback

Opisthotropis haihaensis

Jacob's Stream Snake

Opisthotropis jacobi

Kikuzato’s Stream Snake

Opisthotropis kikuzatoi

Chinese Mountain Keelback

Opisthotropis kuatunensis

Man-Son Mountain Stream Snake

Opisthotropis lateralis

Sichuan Mountain Keelback

Opisthotropis latouchii

Lau's Mountain Stream Snake

Opisthotropis laui

Spotted Mountain Stream Snake

Opisthotropis maculosa

Maxwell's Mountain Keelback

Opisthotropis maxwelli

Sumatran Stream Snake

Opisthotropis rugosa

Shenzhen Mountain Stream Snake

Opisthotropis shenzhenensis

Smith's Mountain Keelback

Opisthotropis spenceri

Tam Dao Stream Snake

Opisthotropis tamdaoensis

Corrugated Water Snake

Opisthotropis typica

Vo Quy’s Mountain Stream Keelback

Opisthotropis voquyi

Zhao's Mountain Stream Snake

Opisthotropis zhaoermii

Cuvier's Madagascar Swift

Oplurus cuvieri

Merrem's Madagascar Swift

Oplurus cyclurus

Anzamala Madagascar Swift

Oplurus fierinensis

Grandidier's Madagascar Swift

Oplurus grandidieri

Duméril's Madagascar Swift

Oplurus quadrimaculatus

Marked Madagascar Swift

Oplurus saxicola

Mountain Reed Snake

Oreocalamus hanitschi

Red Bamboo Trinket Snake

Oreocryptophis porphyraceus

Oreosaurus achlyens

Oreosaurus achlyens

Lightbulb Lizard

Oreosaurus luctuosus

Oreosaurus mcdiarmidi

Oreosaurus mcdiarmidi

Oreosaurus rhodogaster

Oreosaurus rhodogaster

Oreosaurus serranus

Oreosaurus serranus

Shreve's Lightbulb Lizard

Oreosaurus shrevei

Slender Racer

Orientocoluber spinalis

Small Forest Lizard

Oriocalotes paulus

Malaysian Giant Turtle

Orlitia borneensis

Geoemydidae

Venezuelan Mountain Skink

Orosaura nebulosylvestris

Scincidae

Long-necked Northern Leaf-tailed Gecko

Orraya occultus

Carphodactylidae

African Dwarf Crocodile

Osteolaemus tetraspis

Crocodylidae

Indian Kangaroo Lizard

Otocryptis beddomei

Black-spotted Kangaroo Lizard

Otocryptis nigristigma

Wiegmann's Agama

Otocryptis wiegmanni

Philippine Giant Forest Skink

Otosaurus cumingi

Scincidae

Armadillo Girdled Lizard

Ouroborus cataphractus

Cordylidae

Malayan Brown Pit Viper

Ovophis convictus

Taiwan Mountain Pitviper

Ovophis makazayazaya

Chinese Mountain Pit Viper

Ovophis monticola

Ryukyu Island Pit Viper

Ovophis okinavensis

Tonkin Pit Viper

Ovophis tonkinensis

Zayuan Mountain Pit Viper

Ovophis zayuensis

Brown Vinesnake

Oxybelis aeneus

Cope's Vine Snake

Oxybelis brevirostris

Green Vine Snake

Oxybelis fulgidus

Roatan Vinesnake

Oxybelis wilsoni