Where does the Chinese softshell turtle come from?
The Chinese softshell turtle ( Pelodiscus sinensis) is a species of softshell turtle that is endemic to China ( Inner Mongolia to Hainan ), with records of escapees—some of which have established introduced populations—in a wide range of other Asian countries, as well as Spain,…
Which is the oldest sea turtle in the world?
Softshell turtle s (family Trionychidae) are the first modern turtles found in the fossil record, appearing in the Cretaceous Period. The oldest sea turtle (Santanachelys gaffneyi) is known from the mid-Cretaceous. It is a member of the Protostegidae, a likely sister group of modern leatherback sea turtles.
How is the iosea MoU helping marine turtles?
Through its Conservation and Management Plan, the IOSEA MOU puts in place a framework through which States of the Indian Ocean and South-East Asian region, as well as other concerned States, can work together to conserve and replenish depleted marine turtle populations for which they share responsibility.
Which is sister group of leatherback sea turtles?
It is a member of the Protostegidae, a likely sister group of modern leatherback sea turtles. S. gaffneyi had a streamlined shell of about 1.5 metres (5 feet) and forelimbs well along the evolutionary path to becoming flippers.
What was the original name of the turtle order?
The title of the turtle order was formerly Testudinata, although the term Chelonia was also regularly used. In the 1950s, priority was given to the Linnaean name Testudines as the formal name for the turtle order.
Softshell turtle s (family Trionychidae) are the first modern turtles found in the fossil record, appearing in the Cretaceous Period. The oldest sea turtle (Santanachelys gaffneyi) is known from the mid-Cretaceous. It is a member of the Protostegidae, a likely sister group of modern leatherback sea turtles.
It is a member of the Protostegidae, a likely sister group of modern leatherback sea turtles. S. gaffneyi had a streamlined shell of about 1.5 metres (5 feet) and forelimbs well along the evolutionary path to becoming flippers.
Is there any evidence for the origin of turtles?
Although Odontochelys, Proganochelys, and Eunotosaurus offer insight into early anatomy, the origin of turtles remains a strongly debated issue. There are three main hypotheses concerning their origins, and existing evidence is such that there is a lack of overwhelming support for any one of them.
