The aardvark is not closely related to the pig ; rather, it is the sole recent representative of the obscure mammalian order Tubulidentata, in which it is usually considered to form one variable species of the genus Orycteropus, the sole surviving genus in the family Orycteropodidae.

Thelymitra is an example of a genus where the lower petal is similar in appearance to the other petals.

Blandfordia is the only genus in the family Blandfordiaceae, with four species distributed in eastern Australia.

The genus Cyanastrum is sometimes placed in its own family Cyanastraceae.

The most conspicuous genus in the family is Aloe.

Agapanthus, native to South Africa, is the sole genus of the subfamily.

For example, Pyrethrum ( refers to several Old World plants of the genus Chrysanthemum ) is a natural insecticide with minimal environmental impact.

Wormwood, a genus that includes the sagebrush, is used as a source of flavoring for absinthe, a bitter classical liquor of European origin.

The subfamily name is derived from the generic name of the type genus, Allium.

Allieae contains only one genus Allium ( Milula is merged with Allium in the latest systems ).

The Latin name ' Asteraceae ' is derived from the type genus Aster, which is a Greek term, meaning " star ".

The name is derived from the type genus Apium, which was originally used by Pliny the Elder circa 50 AD for a celery-like plant.

Within the genus Prunus, it is classified with the peach in the subgenus Amygdalus, distinguished from the other subgenera by the corrugated shell ( endocarp ) surrounding the seed.

Ardipithecus is a fossil hominoid, described by its discoverers as a very early hominin genus.

Albertosaurus (; meaning " Alberta lizard ") is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, about 70 million years ago.

The type species, A. sarcophagus, was apparently restricted in range to the modern-day Canadian province of Alberta, after which the genus is named.

In Central and South America, the alligator family is represented by five species of the genus Caiman, which differs from the alligator by the absence of a bony septum between the nostrils, and the ventral armour is composed of overlapping bony scutes, each of which is formed of two parts united by a suture.

Chipmunks may be classified either as a single genus, Tamias, or as three genera: Tamias, which includes the eastern chipmunk ; Eutamias, which includes the Siberian chipmunk ; and Neotamias, which includes the 23 remaining, mostly western, species.

Manatees ( family Trichechidae, genus Trichechus ) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.

Around 1840 – 41, German meteorologist Ludwig Kaemtz added stratocumulus as a mostly detached low-cloud genus of limited convection with both cumuliform and stratiform characteristics similar to upper-level cirrocumulus.

Good examples of species common to more than one genus are the stratiformis and lenticularis types, each of which is common to mostly stable stratocumuliform genera in the high -, middle -, and low-height ranges ( cirrocumulus, altocumulus, and stratocumulus, respectively ).

The genus contains about 450 species, which are found mostly in the cooler areas of the Northern Hemisphere, although there are tropical species from areas as widely separated as Madagascar and Hawaii.

Some species, mostly in the genus Falco, are fully migratory, with some species summering in Eurasia and wintering entirely in Africa, other species may be partly migratory.

In 1977, Coryndon proposed that the pygmy hippopotamus was closely related to Hexaprotodon, a genus that consisted of prehistoric hippos mostly native to Asia.

The genus is hermaphroditic, having apetalous perfect flowers which are mostly wind-pollinated, although bees do visit them.

U. americana is unique within the genus in being mostly tetraploid, i. e. having double the usual number of chromosomes ( 2n = 56 ); it is also protogynous, although self-fertilization is common

The most economically important genus in the family is Citrus, which includes the orange ( C. sinensis ), lemon ( C. × limon ), grapefruit ( C. paradisi ), and lime ( various, mostly C. aurantifolia, the key lime ).

The genus is composed of mostly vigorous, woody, climbing vines / lianas.

Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere ; the Middle East and surrounding regions are particularly species-rich.

Plants of the genus Sarracenia occur mostly in Sphagnum bogs.

Narcissus () ( commonly called daffodil ) is a genus of mainly hardy, mostly spring-flowering, herbaceous perennials in the Amaryllis family, subfamily Amaryllidoideae.

This leaves Penstemon a mostly nearctic genus, with a few neotropical species.

The placement of the genus has varied, being first placed with the mostly oriental flowerpeckers ( Dicaeidae ), as both groups are dumpy looking birds with bright plumage.

The species in the genus Aegithalos prefer deciduous or mixed deciduous forests, while the tiny Pygmy Tit is found mostly in montane coniferous forest.

While most colubrids are nonvenomous ( or have venom that is not known to be harmful to humans ) and are mostly harmless, a few groups, such as genus Boiga, can produce medically significant bites, while the boomslang, the twig snakes and the Asian genus Rhabdophis have caused human fatalities.

The true thrushes are medium-sized mostly insectivorous or omnivorous birds in the genus Turdus of the thrush family Turdidae.

The Asian thrushes are medium-sized mostly insectivorous or omnivorous birds in the genus Zoothera of the thrush family Turdidae.

The rock thrushes, Monticola, are a genus of chats, medium-sized mostly insectivorous or omnivorous songbirds.

The shortwings are colourful medium-sized mostly insectivorous birds in the genus Brachypteryx of the thrush family Turdidae, although some taxonomists place them in the Old World Flycatcher family Muscicapidae.

The bluebirds are a group of medium-sized, mostly insectivorous or omnivorous birds in the genus Sialia of the thrush family ( Turdidae ).

The genus Serinus is a large genus of birds in the finch family Fringillidae found mostly in the Afrotropical region with some outlying species in Europe and Asia.