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Theriodontia :: Theriodontia (n. pl.) An extinct order of reptiles found in the Permian and Triassic formations in South Africa. In some respects they resembled carnivorous mammals. Called also Theromorpha.

Proatlas :: Proatlas (n.) A vertebral rudiment in front of the atlas in some reptiles.

Ichthyosauria :: Ichthyosauria (n. pl.) An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period..

Acontias :: Acontias (n.) Anciently, a snake, called dart snake; now, one of a genus of reptiles closely allied to the lizards..

Exoskeleton :: Exoskeleton (n.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton..

Crocodile :: Crocodile (n.) A large reptile of the genus Crocodilus, of several species. They grow to the length of sixteen or eighteen feet, and inhabit the large rivers of Africa, Asia, and America. The eggs, laid in the sand, are hatched by the sun's heat. The best known species is that of the Nile (C. vulgaris, or C. Niloticus). The Florida crocodile (C. Americanus) is much less common than the alligator and has longer jaws. The name is also sometimes applied to the species of other related genera, as th

Elasmosaurus :: Elasmosaurus (n.) An extinct, long-necked, marine, cretaceous reptile from Kansas, allied to Plesiosaurus..

Wattle :: Wattle (n.) A naked fleshy, and usually wrinkled and highly colored, process of the skin hanging from the chin or throat of a bird or reptile..

Laelaps :: Laelaps (n.) A genus of huge, carnivorous, dinosaurian reptiles from the Cretaceous formation of the United States. They had very large hind legs and tail, and are supposed to have been bipedal. Some of the species were about eighteen feet high..

Reptilian :: Reptilian (a.) Belonging to the reptiles.

Orthopoda :: Orthopoda (n. pl.) An extinct order of reptiles which stood erect on the hind legs, and resembled birds in the structure of the feet, pelvis, and other parts..

Reptile :: Reptile (a.) Creeping; moving on the belly, or by means of small and short legs..

Eosaurus :: Eosaurus (n.) An extinct marine reptile from the coal measures of Nova Scotia; -- so named because supposed to be of the earliest known reptiles.

Dicynodont :: Dicynodont (n.) One of a group of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India..

Pliosaurus :: Pliosaurus (n.) An extinct genus of marine reptiles allied to Plesiosaurus, but having a much shorter neck..

Kingfisher :: Kingfisher (n.) Any one of numerous species of birds constituting the family Alcedinidae. Most of them feed upon fishes which they capture by diving and seizing then with the beak; others feed only upon reptiles, insects, etc. About one hundred and fifty species are known. They are found in nearly all parts of the world, but are particularly abundant in the East Indies..

Pterodactyl :: Pterodactyl (n.) An extinct flying reptile; one of the Pterosauria. See Illustration in Appendix.

Articulary :: Articulary (n.) A bone in the base of the lower jaw of many birds, reptiles, amphibians, and fishes..

Septomaxillary :: Septomaxillary (n.) A small bone between the nasal septum and the maxilla in many reptiles and amphibians.

Transpalatine :: Transpalatine (a.) Situated beyond or outside the palatine bone; -- said of a bone in the skull of some reptiles.

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