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A tortoiseshell ornament from Micronesia Cabinet with tortoiseshell veneers French singing bird box with a case made out of tortoiseshell.. 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 ...
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 bottom shell is plain yellow or lightly spotted. Sometimes as few as one dark grey spot near the lower center of the shell. [24] The midland painted turtle (C. p. marginata) is 10–25 cm (4–10 in) long. [25] The centrally located midland is the hardest to distinguish from the other three subspecies. [23]
The smooth softshell turtle hibernates in the months of October to March. It hibernates by burying itself in substrate underwater. After emerging from hibernation, it is often found on land basking in the sun. Given that its shell is a soft shell, it is unable to stay in the sun for extended periods of time. [14]
Eastern box turtles have a high, domelike carapace and a hinged plastron that allows total shell closure. Their shell has a middorsal keel that smooths out with age. [5] The carapace can be of variable coloration but is normally brownish or black and accompanied by a yellowish or orangish radiating pattern of lines, spots, or blotches.
The spotted turtle (Clemmys guttata), the only species of the genus Clemmys, is a small, semi-aquatic turtle that reaches a carapace length of 8–12 cm (3.1–4.7 in) [4] upon adulthood. Their broad, smooth, low dark-colored upper shell, or carapace, ranges in its exact colour from black to a bluish black with a number of tiny yellow round ...
The ornate box turtle is a relatively small turtle, measuring just 4-6″ (10-15 cm) when full-grown. Males and females generally look alike but males are often smaller; there is color variation with yellow lines from the center of the shell to the edges through gray, red-brown, or black coloration. [7]
The juvenile turtle's shell has a rough appearance; adults have a shell that is soft and leathery in texture. This turtle is average sized, growing to weigh between 15 kg (33 lbs) and 25 kg (55 lbs), [8] with unconfirmed reports claiming that Amyda cartilaginea can grow to be as heavy as 105 kg (231 lbs). [8]