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Slender glass lizard (Ophisaurus attenuatus)Ophisaurus (from the Greek 'snake-lizard') is a genus of superficially snake-like legless lizards in the subfamily Anguinae.Known as joint snakes, glass snakes, or glass lizards, they are so-named because their tails are easily broken; like many lizards, they have the ability to deter predation by dropping off part of the tail, which can break into ...
Ornithopod jaws are isognathic (meet simultaneously), working like a guillotine to slice plant material which can be manipulated with their teeth. However, because of the wedge shape of their teeth, the occlusional plane is tilted away from the centre of the head, causing the jaws to lock together and, due to the lack of a secondary palate ...
Unlike snakes, they have moveable eyelids, external ear openings located behind their eyes, and inflexible jaws. [ 11 ] The three extant species of Ophisaurus that live in North America can be distinguished by their differences in number of teeth and sizes of skulls from skeletal analysis.
The viperfish can collide with their prey at high speeds without taking any damage. The Viperfish’s Teeth Are Larger Than Its Mouth These formidable teeth cause the viperfish’s lower jaw to ...
Some taxa, such as the extinct necrosaurids and the possibly varanoid Gila monsters, were armoured with osteoderms (bony deposits on the skin), and many forms have hinged jaws, allowing them to open their mouths very wide when feeding (though they cannot dislocate their jaws, contrary to popular belief).
Their diet includes soft twigs, shoots, young leaves, and fallen fruit. Because they require a lot of calories to support their massive bodies (2,000 to 5,100 pounds), the rhinos eat around 110 ...
In 1832, Jonathan the Seychelles giant tortoise (Aldabrachelys gigantea hololissa) was born. Although his exact birthdate is unknown, he has been given the official birthday of December 4, 1832.
Most fish species with pharyngeal teeth do not have extendable pharyngeal jaws. A particularly notable exception is the highly mobile pharyngeal jaw of the moray eels.These are possibly a response to their inability to swallow as other fishes do by creating a negative pressure in the mouth, perhaps induced by their restricted environmental niche (burrows) or in the air in the intertidal zone. [10]