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Obliteration :: Obliteration (n.) The act of obliterating, or the state of being obliterated; extinction..

Apteryx :: Apteryx (n.) A genus of New Zealand birds about the size of a hen, with only short rudiments of wings, armed with a claw and without a tail; the kiwi. It is allied to the gigantic extinct moas of the same country. Five species are known..

Eurypteroidea :: Eurypteroidea (n. pl.) An extinct order of Merostomata, of which the genus Eurypterus is the type. They are found only in Paleozoic rocks..

Zaphrentis :: Zaphrentis (n.) An extinct genus of cyathophylloid corals common in the Paleozoic formations. It is cup-shaped with numerous septa, and with a deep pit in one side of the cup..

Zoology :: Zoology (n.) That part of biology which relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct..

Atrypa :: Atrypa (n.) A extinct genus of Branchiopoda, very common in Silurian limestones..

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..

Bethlemite :: Bethlemite (n.) One of an extinct English order of monks.

Trilobite :: Trilobite (n.) Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment..

Hybodus :: Hybodus (n.) An extinct genus of sharks having conical, compressed teeth..

Garrote :: Garrote (n.) A Spanish mode of execution by strangulation, with an iron collar affixed to a post and tightened by a screw until life become extinct; also, the instrument by means of which the punishment is inflicted..

Taxeopoda :: Taxeopoda (n. pl.) An order of extinct Mammalia found in the Tertiary formations.

Mylodon :: Mylodon (n.) An extinct genus of large slothlike American edentates, allied to Megatherium..

Werewolf :: Werewolf (n.) A person transformed into a wolf in form and appetite, either temporarily or permanently, whether by supernatural influences, by witchcraft, or voluntarily; a lycanthrope. Belief in werewolves, formerly general, is not now extinct..

Otozoum :: Otozoum (n.) An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones..

Crocodilia :: Crocodilia (n. pl.) An order of reptiles including the crocodiles, gavials, alligators, and many extinct kinds..

Brontotherium :: Brontotherium (n.) A genus of large extinct mammals from the miocene strata of western North America. They were allied to the rhinoceros, but the skull bears a pair of powerful horn cores in front of the orbits, and the fore feet were four-toed. See Illustration in Appendix..

Proterosaurus :: Proterosaurus (n.) An extinct genus of reptiles of the Permian period. Called also Protosaurus.

Purification :: Purification (n.) A cleansing from guilt or the pollution of sin; the extinction of sinful desires, appetites, and inclinations..

Titanotherium :: Titanotherium (n.) A large American Miocene mammal, allied to the rhinoceros, and more nearly to the extinct Brontotherium..

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