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Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is a critically endangered species according to the IUCN Red List largely because of its exploitation for this trade. The large size, fine color, and unusual form of the hawksbill's scutes ...
The turtle shell is a shield for the ventral and dorsal parts of turtles (the order Testudines), completely enclosing all the vital organs of the turtle and in some cases even the head. [1] It is constructed of modified bony elements such as the ribs, parts of the pelvis and other bones found in most reptiles.
The Aldabra giant tortoise (Aldabrachelys gigantea) lives on the remote Aldabra Atoll, one of the Seychelles group of islands in the Indian Ocean It is the only living species in the genus Aldabrachelys. Two other species in the genus, Aldabrachelys abrupta, and Aldabrachelys grandidieri were formerly endemic to Madagascar, but became extinct ...
Cheloniidae - Cope, 1868. Cheloniidae is a family of typically large marine turtles that are characterised by their common traits such as, having a flat streamlined wide and rounded shell and almost paddle-like flippers for their forelimbs. They are the only sea turtles to have stronger front limbs than back limbs. [2]
Aeschylus was born around 525 BC in Eleusis, a small town about 27 kilometres (17 mi) northwest of Athens, in the fertile valleys of western Attica. [ 11 ] Some scholars argue that the date of Aeschylus's birth may be based on counting back 40 years from his first victory in the Great Dionysia. [ 12 ]
The species comprises 15 subspecies(13 extantand 2 extinct). It is the largest living species of tortoise, and can weigh up to 417 kg (919 lb).[3] They are also the largest extant terrestrial cold-blooded animals (ectotherms). [4] With lifespans in the wild of over 100 years, it is one of the longest-lived vertebrates.
Mata mata. The mata mata, mata-mata, or matamata (Chelus fimbriata) [7] is a South American species of freshwater turtle found in the Amazon basin and river system of the eastern Guianas. It was formerly believed to also occur in the Orinoco basin, western Guianas and upper Rio Negro – Branco system, but in 2020 these populations were found ...
Carapace. Diagram of a prawn, with the carapace highlighted in red. A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tortoises, the underside is called the plastron.