Definition of genus

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Genus (n.) An assemblage of species, having so many fundamental points of structure in common, that in the judgment of competent scientists, they may receive a common substantive name. A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera. In proportion as its definition is exact, it is natural genus; if its definition can not be made clear, it is more or less an artificial genus..

Lern More About Genus

Teleosaurus :: Teleosaurus (n.) A genus of extinct crocodilian reptiles of the Jurassic period, having a long and slender snout..
Ironweed :: Ironweed (n.) A tall weed with purplish flowers (Vernonia Noveboracensis). The name is also applied to other plants of the same genus.
Lepidodendron :: Lepidodendron (n.) A genus of fossil trees of the Devonian and Carboniferous ages, having the exterior marked with scars, mostly in quincunx order, produced by the separation of the leafstalks..
Bugle :: Bugle (n.) A plant of the genus Ajuga of the Mint family, a native of the Old World..
Toadfish :: Toadfish (n.) Any marine fish of the genus Batrachus, having a large, thick head and a wide mouth, and bearing some resemblance to a toad. The American species (Batrachus tau) is very common in shallow water. Called also oyster fish, and sapo..
Accipiter :: Accipiter (n.) A genus of rapacious birds; one of the Accipitres or Raptores.
Brontosaurus :: Brontosaurus (n.) A genus of American jurassic dinosaurs. A length of sixty feet is believed to have been attained by these reptiles.
Medlar :: Medlar (n.) A tree of the genus Mespilus (M. Germanica); also, the fruit of the tree. The fruit is something like a small apple, but has a bony endocarp. When first gathered the flesh is hard and austere, and it is not eaten until it has begun to decay..
Phytelephas :: Phytelephas (n.) A genus of South American palm trees, the seeds of which furnish the substance called vegetable ivory..
Rhynchocephala :: Rhynchocephala (n. pl.) An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia..
Spatangus :: Spatangus (n.) A genus of heart-shaped sea urchins belonging to the Spatangoidea.
Fiddlewood :: Fiddlewood (n.) The wood of several West Indian trees, mostly of the genus Citharexylum..
Stock :: Stock (n.) Any cruciferous plant of the genus Matthiola; as, common stock (Matthiola incana) (see Gilly-flower); ten-weeks stock (M. annua)..
Silverspot :: Silverspot (n.) Any one of numerous species of butterflies of the genus Argynnis and allied genera, having silvery spots on the under side of the wings. See Illust. under Aphrodite..
Cowwheat :: Cowwheat (n.) A weed of the genus Melampyrum, with black seeds, found on European wheatfields..
Notornis :: Notornis (n.) A genus of birds allied to the gallinules, but having rudimentary wings and incapable of flight. Notornis Mantelli was first known as a fossil bird of New Zealand, but subsequently a few individuals were found living on the southern island. It is supposed to be now nearly or quite extinct..
Vernonin :: Vernonin (n.) A glucoside extracted from the root of a South African plant of the genus Vernonia, as a deliquescent powder, and used as a mild heart tonic..
Caprid :: Caprid (a.) Of or pertaining to the tribe of ruminants of which the goat, or genus Capra, is the type..
Lilac :: Lilac (n.) A shrub of the genus Syringa. There are six species, natives of Europe and Asia. Syringa vulgaris, the common lilac, and S. Persica, the Persian lilac, are frequently cultivated for the fragrance and beauty of their purplish or white flowers. In the British colonies various other shrubs have this name..
Nummulites :: Nummulites (n.) A genus of extinct Tertiary Foraminifera, having a thin, flat, round shell, containing a large number of small chambers arranged spirally..
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