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Inextinct :: Inextinct (a.) Not quenched; not extinct.

Expire :: Expire (v. i.) To come to an end; to cease; to terminate; to perish; to become extinct; as, the flame expired; his lease expires to-day; the month expired on Saturday..

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.

Sigillarid :: Sigillarid (n.) One of an extinct family of cryptagamous trees, including the genus Sigillaria and its allies..

Morosaurus :: Morosaurus (n.) An extinct genus of large herbivorous dinosaurs, found in Jurassic strata in America..

Zeuglodon :: Zeuglodon (n.) A genus of extinct Eocene whales, remains of which have been found in the Gulf States. The species had very long and slender bodies and broad serrated teeth. See Phocodontia..

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..

Teleosaurus :: Teleosaurus (n.) A genus of extinct crocodilian reptiles of the Jurassic period, having a long and slender snout..

Pycnodontini :: Pycnodontini (n. pl.) An extinct order of ganoid fishes. They had a compressed body, covered with dermal ribs (pleurolepida) and with enameled rhomboidal scales..

Stegosaurus :: Stegosauria (n. pl.) An extinct order of herbivorous dinosaurs, including the genera Stegosaurus, Omosaurus, and their allies..

Dromatherium :: Dromatherium (n.) A small extinct triassic mammal from North Carolina, the earliest yet found in America..

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

Escheat :: Escheat (n.) The falling back or reversion of lands, by some casualty or accident, to the lord of the fee, in consequence of the extinction of the blood of the tenant, which may happen by his dying without heirs, and formerly might happen by corruption of blood, that is, by reason of a felony or attainder..

Slake :: Slake (v. i.) To go out; to become extinct.

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..

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

Odontopteryx :: Odontopteryx (n.) An extinct Eocene bird having the jaws strongly serrated, or dentated, but destitute of true teeth. It was found near London..

Rhinoceros :: Rhinoceros (n.) Any pachyderm belonging to the genera Rhinoceros, Atelodus, and several allied genera of the family Rhinocerotidae, of which several living, and many extinct, species are known. They are large and powerful, and usually have either one or two stout conical median horns on the snout..

Extinction :: Extinction (n.) The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, influence, etc..

Lepidodendrid :: Lepidodendrid (n.) One of an extinct family of trees allied to the modern club mosses, and including Lepidodendron and its allies..

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