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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 size of the patches can vary from a fine speckled pattern to large areas of color. Typically, the more white a cat has, the more solid the patches of color. Dilution genes may modify the coloring, lightening the fur to a mix of cream and blue, lilac or fawn; the markings on tortoiseshell cats are usually asymmetrical .
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 tortoise is a favored motif by netsuke-carvers and other artisans, and is featured in traditional Japanese wedding ceremonies. [2] There is also a well-known artistic pattern based on the nearly hexagonal shape of a tortoise's shell. These patterns are usually composed of symmetrical hexagons, sometimes with smaller hexagons within them. [40]
The turtle’s shell is made of bone – or more accurately bones. At least 50 bones make up the shell, which consists of the domed carapace at the top, and a flatter plastron covering the belly ...
A Greek tortoise shell opened to show the skeleton from below Main article: Turtle shell The carapace is the dorsal (back) convex part of the shell structure of a turtle , consisting primarily of the animal's rib cage, dermal armor, and scutes .
The shell star-pattern of the radiated tortoise The stuffed remains of "Tu'i Malila", the longest-lived radiated tortoise on record. Adults typically have a carapace length of 26 to 38 centimetres (10 to 15 in) and weigh 2.5 to 8.8 kilograms (5.5 to 19.4 lb). The largest individuals tend to be males. [9]
Tortoises keep a characteristic scute (shell segment) pattern on their shells throughout life, though the annual growth bands are not useful for determining age because the outer layers are worn off with time. A tortoise can withdraw its head, neck, and fore limbs into its shell for protection.