Reptiles beginning with R

Rabino's Tree Iguana - Liolaemus rabinoi is a species of lizard in the Iguanidae family.
Radiated tortoise - The oldest tortoise ever recorded, indeed the oldest reptile ever recorded, was a radiated tortoise, Tu'i Malila; there is controversy over whether she lived 150, 188, or 250 years.
Rainbow snake - Farancia erytrogramma is a large, non-venomous, highly-aquatic, colubrid snake found in coastal plains of the southeastern United States.
Ramirez's Alligator Lizard - Abronia ramirezi is an arboreal alligator lizard described in 1994 by Campbell.
Red corn snake - The corn snake , or red rat snake, is a North American species of rat snake that subdue their small prey with constriction.
Red Rattlesnake - This is a moderately large species that commonly exceeds 100 cm on the mainland.
Red-bellied snake - The Redbelly Snake is a species of snake found in North America.
Red-headed river turtle - they are great big turtles
Red-lipped Arboreal AlligatorLizard - Abronia lythrochila is an arboreal alligator lizard described in 1963 by Smith and Alvarez del Toro.
Red-lipped Plateau Lizard - The generic name: Sceloporus is derived from the from Greek skelos/σκελος meaning "leg" and the Latin word porus meaning "hole", referring to the enlarges femoral pores found in this genus of lizards.
Redneck Pond Turtle - The Red-necked Pond Turtle is a species of turtle in the Bataguridae family.
Redrigues' Day Gecko - This Phelsuma was the largest known day gecko.
Reeves' Turtles - The Chinese Pond Turtle, Reeve's Turtle, Chinese Three-keeled Pond Turtle, Golden Turtle, or Japanese Coin Turtle is a species of turtle in the family Geoemydidae .
Reid's Arboreal Alligator Lizard - Abronia reidi is an arboreal alligator lizard described in 1961 by Werler and Frederick A.
Reimann's Snakeneck Turtle - The Reimann's Snake-necked Turtle is a species of turtle in the Chelidae family.
Reticulate collared lizard - Crotaphytus reticulatus is a tan to brown lizard with reticulations covering most of its dorsum, limbs, and tail.
Reticulate Gecko - Reticulated geckos can grow to 6.
Rhinoceros Agama - The arboreal leaf-nosed lizard, also known as the "horn-nosed lizard" or "Horned lizard", has a leaf-like appendage on the end of its nose, the species can reach lengths of over 8 inches including the tail.
Rhinoceros Iguana - The Rhinoceros Iguana is a species of lizard belonging to the genus Cyclura.
Ricord's Ground Iguana - Its generic name is derived from the Ancient Greek cyclos  meaning "circular" and ourá  meaning "tail", after the thick-ringed tail characteristic of all Cyclura iguanas.
Rim rock crowned snake - The Rim Rock Snake is a species of snake found only in Florida.
Rio Grande River Cooter - The Rio Grande Cooter is a species of turtle in the Emydidae family.
Rock Horned Lizard - Its epithet Ditmarsi refers to Raymond Ditmars, an early curator of reptiles of the Bronx Zoo.
Rough earth snake - The Rough Earth Snake is a species of non-venomous colubrid snake native to the southeastern United States, from Texas to Florida, as far north as Missouri and Virginia.
Round Island Burrowing Boa - This likely extinct endemic had an extremely small distribution of only 1.
Round Island skink - It reaches a length between 30 and 40 cm.
Roundlsland Day Gecko - This lizard belongs to the largest living day geckos.
Roundtail Horned Lizard - Round tailed Horned Lizards prefer a sandy, semi-arid habitat with sparse vegetation, near harvester ant or especially honeypot ant colonies, which is their primary diet.
Rowley's Palm Pit Viper - Adults grow to at least 97.