The Geoemydidae are one of the largest and most diverse families in the order Testudines (turtles), with about 70 species. The family includes the Eurasian pond and river turtles and Neotropical wood turtles. Members of this family are commonly called Leaf turtle.
Emydidae is a family of testudines (turtles) that includes close to 50 species in 10 genera. Members of this family are commonly called terrapins, pond turtles, or marsh turtles. Several species of Asian box turtles were formerly classified in the family; however, revised taxonomy has separated them to a different family (Geoemydidae). As currently defined, the Emydidae are entirely a Western Hemisphere family, with the exception of two species of pond turtle.
Trachemys is a genus of turtles belonging to the family Emydidae. Members of this genus are native to the Americas, ranging from the Midwestern United States south to northern Argentina, but one subspecies, the red-eared slider, has been introduced worldwide. Species under this genus are commonly referred to as sliders.
Heosemys is a genus of freshwater turtles in the family Geoemydidae. The genus Heosemys was split out of the related genus Geoemyda by McDowell in 1964.
Emys is a small genus within the family Emydidae. The genus, consisting primarily of freshwater pond turtles, is endemic to Europe. It is the only genus in the Emydidae outside of North America.
The Cryptodira are a suborder of Testudines that includes most living tortoises and turtles. Cryptodira differ from Pleurodira in that they lower their necks and pull the heads straight back into the shells, instead of folding their necks sideways along the body under the shells' marginals. They include among their species freshwater turtles, snapping turtles, tortoises, softshell turtles, and sea turtles.
The three-striped roofed turtle is a species of turtle in the family Geoemydidae. The species is endemic to South Asia.
The Burmese eyed turtle, also known as the Bengal eyed terrapin, Burmese peacock turtle or swamp turtle, is a species of turtle in the family Geoemydidae of southern Asia.
The big-headed turtle is a species of turtle in the family Platysternidae from Southeast Asia and southern China.
The Rio Grande cooter is a species of turtle in the family Emydidae. The species is native to northeastern Mexico and the adjacent southwestern United States.
Rhinoclemmys is a genus of turtles in the family Geoemydidae, the only genus in the subfamily Rhinoclemmydinae. Member species of the genus are commonly known as the Neotropical wood turtles and are the only geoemydids known from the Americas. As such, they have adapted to a wide range of habitats, which is reflected in the species' common names.
Siebenrockiella crassicollis is a freshwater turtle endemic to Southeast Asia. It is one of two species classified under the genus Siebenrockiella in the family Geoemydidae.
Actinemys is a small genus of turtles in the family Emydidae. The genus is endemic to the west coast of North America. The genus contains two species.
Terrapins are a group of several species of small turtle living in fresh or brackish water. Terrapins do not form a taxonomic unit and may not be closely related. Many belong to the families Geoemydidae and Emydidae.
Hesperotestudo is an extinct genus of tortoise native to North and Central America from the Early Miocene to the Late Pleistocene. Species of Hesperotestudo varied widely in size, with a large undescribed specimen from the Late Pleistocene of El Salvador reaching 150 cm (4.9 ft) in carapace length, larger than that of extant giant tortoises. Historically considered a subgenus of Geochelone, it is now considered to be distantly related to that genus. Its relationships with other tortoises are uncertain. The exposed areas of the bodies of Hesperotestudo species were extensively covered with large dermal ossicles, which in life were covered in keratin. It has been suggested that species of Hesperotestudo were relatively tolerant of cold weather. Hesperotestudo became extinct at the end of the Pleistocene roughly co-incident with the arrival of the first humans in North America. There is apparently a site in Florida where one individual may have been killed that some suggested were evidence of butchering, although others suggested that the turtle was neither cooked nor does a ledge that was found near it date at the same time as it.
Melanochelys is a genus of turtles in the family Geoemydidae. Members are found in India, Myanmar, Bangladesh, Sri Lanka and Nepal.
The Sicilian pond turtle is a species of turtle in the family Emydidae. The species is endemic to Sicily.
The Assam leaf turtle is a species of turtle in the family Geoemydidae. The species is native to India, Nepal, Bhutan, and Bangladesh.
The Malayan snail-eating turtle is a species of turtle in Malayemys genus of the family Geoemydidae.
