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Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, [3] are reptiles of the order Testudines and of the suborder Cryptodira.The seven existing species of sea turtles are the flatback, green, hawksbill, leatherback, loggerhead, Kemp's ridley, and olive ridley.
Sea turtles, and several extinct forms, have evolved a bony secondary palate which completely separates the oral and nasal cavities. [30] The necks of turtles are highly flexible, possibly to compensate for their rigid shells. Some species, like sea turtles, have short necks while others, such as snake-necked turtles, have long ones.
Hawksbill sea turtle (Eretmochelys imbricata) Sea turtles: there are seven extant species of sea turtles, which live mostly along the tropical and subtropical coastlines, though some do migrate long distances and have been known to travel as far north as Scandinavia. Sea turtles are largely solitary animals, though some do form large, though ...
The sea turtle is one of the ocean’s most fascinating, ancient, and distinguished reptiles, renowned for its vital role in the marine ecosystem. With seven distinct species, sea turtles inhabit ...
In contrast to their earth-bound relatives, tortoises, sea turtles do not have the ability to retract their heads into their shells. Their plastron, which is the bony plate making up the underside of a turtle or tortoise's shell, is comparably more reduced from other turtle species and is connected to the top part of the shell by ligaments without a hinge separating the pectoral and abdominal ...
Americhelydia is a clade of turtles that consists of sea turtles, snapping turtles, the Central American river turtle and mud turtles, supported by several lines of molecular work. [ 4 ] [ 5 ] [ 6 ] Prior to these studies some morphological and developmental work have considered sea turtles to be basal members of Cryptodira and kinosternids ...
Hundreds of dead, vulnerable sea turtles washed up on South Asian beaches last week near the city of Chennai, India. These turtles were identified as olive ridley turtles, an endangered species ...
JUNO BEACH — Researchers saw fewer sea turtle nests on a 9.5-mile stretch of beach in Juno Beach, Jupiter and Tequesta this season than they did in the three seasons before it. Loggerhead ...