Genus is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.
The beardfishes consist of a single extant genus, Polymixia, of deep-sea marine ray-finned fish named for their pair of long hyoid barbels. They are classified in their own order Polymixiiformes. But as Nelson says, "few groups have been shifted back and forth as frequently as this one, and they were recently added to Paracanthoptergii". For instance, they have previously been classified as belonging to the Beryciformes. They are of little economic importance.
Gerbera L. is a genus of plants in the Asteraceae (Compositae) family. The first scientific description of a Gerbera was made by J. D. Hooker in Curtis's Botanical Magazine in 1889 when he described Gerbera jamesonii, a South African species also known as Transvaal daisy or Barberton daisy. Gerbera is also commonly known as the African daisy.
Corydalis is a genus of about 540 species of annual and perennial herbaceous plants in the family Papaveraceae, native to the temperate Northern Hemisphere and the high mountains of tropical eastern Africa. They are most diverse in China and the Himalayas, with at least 357 species in China.
The golden perch is a medium-sized, yellow or gold-coloured species of Australian freshwater fish found primarily in the Murray-Darling River system, though a subspecies is found in the Lake Eyre-Cooper Creek system, and another subspecies, suspected to be ancestral to all other populations, is found in the Fitzroy River system in Queensland. Other common names for golden perch are "goldens", “yellowbelly” and "callop", the last generally used only in South Australia.
Polygala is a large genus of flowering plants belonging to the family Polygalaceae. They are commonly known as milkworts or snakeroots. The genus is distributed widely throughout much of the world in temperate zones and the tropics. The genus name Polygala comes from the ancient Greek "much milk", as the plant was thought to increase milk yields in cattle.
Kunzea is a genus of plants in the family Myrtaceae and is endemic to Australasia. They are shrubs, sometimes small trees and usually have small, crowded, rather aromatic leaves. The flowers are similar to those of plants in the genus Leptospermum but differ in having stamens that are longer than the petals. Most kunzeas are endemic to Western Australia but a few occur in eastern Australia and a few are found in New Zealand. The taxonomy of the genus is not settled and is complicated by the existence of a number of hybrids.
Rhagionidae or snipe flies are a small family of flies. They get their name from the similarity of their often prominent proboscis that looks like the beak of a snipe.
The genus Stropharia is a group of medium to large agarics with a distinct membranous ring on the stipe. Well-known members of this genus include the edible Stropharia rugosoannulata and the blue-green verdigris agarics. Stropharia are not generally regarded as good to eat and there are doubts over the edibility of several species. However the species Stropharia rugosoannulata is regarded as prized and delicious when young, and is now the premier mushroom for outdoor bed culture by mycophiles in temperate climates.
Edmundoa is a genus of flowering plants in the family Bromeliaceae, subfamily Bromelioideae. It is native to southern and south-eastern Brasil.
Metrioptera is a genus of insects in the tribe Platycleidini and subfamily Tettigoniinae, include the bog and meadow bush crickets. They are found in Eurasia.
Pseudohemihyalea is a genus of moths in the family Erebidae described by Régo Barros in 1956. While the caterpillars of most species of Pseudohemihyalea feed on broad-leaved trees, the P. ambigua group has larvae that feed on conifers. Their forewing coloration has accordingly evolved to light-and-dark lengthwise striping, giving better camouflage among the slim needles of the host plants. In this, they seem to be convergent to certain geometer moths, such as Caripeta piniata or Sabulodes niveostriata.
Ombrophila is a genus of fungi in the family Helotiaceae. The genus contains 11 species. Elias Fries circumscribed Ombrophila in 1849.
Leptomyxa is a free-living genus of lobose naked multinucleate amoebae in the order Leptomyxida that inhabits freshwater, soil and mosses. It is very closely related to the genus Rhizamoeba, and some species have been moved between the two genera due to molecular data.
Chaetosomatidae is a small family of beetles, in the superfamily Cleroidea. There are three extant genera, two of which are endemic to New Zealand with the other (Malgassochaetus) native to Madagascar. Members of this family are predaceous on wood-boring insects.
Tarasiiformes is an extinct order of prehistoric ray-finned fish.
Nebularia is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Cylindromitrinae within the family of Mitridae. This name was originally proposed as a subgenus of the genus Mitra. The type species of this genus is Mitra contractaSwainson, 1820.
Gerbera ambigua is a species of flowering plant in the section Lasiopus of genus Gerbera belonging to the basal Mutisieae tribe within the large Asteraceae family.
Thingia is a monospecific genus of flowering plant in the family Montiaceae comprised only by the species Thingia ambigua, known as desert pussypaws. It is native to northwestern Mexico, California, and Arizona, and is found commonly on sandy or silty soil. The sole species of the genus has been housed under several genera before it was split into Thingia: Claytonia in 1882, Calandrinia in 1893, and Cistanthe in 1990. DNA evidence demonstrated that the relationship of Thingia ambigua, then Cistanthe ambigua, to the next closest relative in Cistanthe, C. tweedyi, was actually disjointed. It was found that the two species were most closely related to completely separate South American taxa.
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