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Atelidae

The Atelidae are one of the five families of New World monkeys now recognised. It was formerly included in the family Cebidae. Atelids are generally larger monkeys; the family includes the howler, spider, woolly, and woolly spider monkeys. They a ...

Atelinae

The Atelinae are a subfamily of New World monkeys in the family Atelidae, and includes the various spider and woolly monkeys. The primary distinguishing feature of the atelines is their long prehensile tails, which can support their entire body w ...

Auckland green gecko

The Auckland green gecko is a species of gecko found only in the northern half of the North Island of New Zealand, except north of Whangaroa. The Wellington green gecko, formerly considered a subspecies, is found in the southern half of the North ...

Bachia

"Bachia" as described by Forster in 1869 is now the gelinine wasp genus Bachiana. Bachia is a genus of lizards that belong to the spectacled lizards family.

Balaenidae

Balaenidae is a family of whales of the parvorder Mysticeti that contains two living genera: the right whales, and in a separate genus, the closely related bowhead whale.

Balea

Balea is a genus of small, very elongate, air-breathing land snails, sinistral terrestrial pulmonate gastropod mollusks in the family Clausiliidae, the door snails. Balea is the type genus of the subfamily Baleinae.

Balitora

There are currently 20 recognized species in this genus: Balitora burmanica Hora, 1932 Burmese stone loach Balitora nujiangensis Zhang & Zheng, 1983 Balitora jalpalli Raghavan, Tharian, Ali, Jadhav & Dahanukar, 2013 Balitora vanlani Nguyen, 2005 ...

Bandicota

Bandicota is a genus of rodents from Asia. They are known as the bandicoot rats. Their common name and genus name are derived from the Telugu language word pandikokku.

Bandy-bandy

The bandy-bandy, also commonly known as the hoop snake, is a species of venomous snake in the family Elapidae. The species is endemic to Australia. It is considered weakly venomous.

Barisia

The following species are recognized as being valid. Barisia planifrons Bocourt, 1878 Barisia herrerae Zaldivar-Riveron & Nieto-Montes de Oca, 2002 Barisia jonesi Guillette & H.M. Smith, 1982 Barisia levicollis Stejneger, 1890 Barisia ciliaris H. ...

Big free-tailed bat

It was described as a new species in 1839 by British zoologist John Edward Gray. Gray placed it in the now-defunct genus Nyctinomus, with a binomial of Nyctinomus macrotis. The holotype had been collected in Cuba by William Sharp Macleay.

Batagur

Batagur is a genus of large turtles from South and Southeast Asia. All members of the genus are seriously threatened. With a recent merger with members from two other genera, this genus has six described species.

Ziphiidae

Beaked whales are one of the least known groups of mammals because of their deep-sea habitat and apparent low abundance. Only three to four of the 22 species are reasonably well-known. Bairds beaked whales and Cuviers beaked whales were subject t ...

Bela (gastropod)

Because of taxonomic uncertainty regarding the type species, many authors in the 19th century e.g. G.O. Sars 1878 and W.H.Dall 1919 used the generic name Bela for unrelated species correctly placed in Propebela, Oenopota or Curtitoma, and then us ...

Bells hinge-back tortoise

Bells hinge-back tortoise is a species of African tortoise, from the family Testudinidae. It has the hinge that characterizes all tortoises in the genus Kinixys.

Bettongia

Bettong, species of the genus Bettongia, are potoroine marsupials once common in Australia. They are important ecological engineers displaced during the colonisation of the continent, and vulnerable to the threatening factors such as altered fire ...

Bhutan giant flying squirrel

The Bhutan giant flying squirrel, also known as the grays giant flying squirrel or noble giant flying squirrel, is a species of rodent in the family Sciuridae. This species lives in Himalayan forests and it is one of the largest flying squirrels. ...

Platysternon megacephalum

Previously considered a distinct family placed on occasion in "Kinosternoidea", it was later moved to the Emydidae. With the Geoemydidae being split off from these, it seems wisest to reinstate, at least for the time being, the Platysternidae. Th ...

Sicista

Birch mice are small jumping desert rodents that resemble mice with a long tufted tail and very long hind legs, allowing for remarkable leaps. All variants possess a long tail of 65 to 110 mm of length and weigh about 6 to 14 g. Head and body len ...

Bitis

Bitis is a genus of venomous vipers found in Africa and the southern Arabian Peninsula. It includes the largest and the smallest vipers in the world. Members are known for their characteristic threat displays that involve inflating and deflating ...

Geoclemys

The black pond turtle, also known as the spotted pond turtle or the Indian spotted turtle, is a species of freshwater turtle endemic to South Asia. It belongs to the monotypic genus Geoclemys.

Black-headed dwarf chameleon

The black-headed dwarf chameleon is a lizard of the family Chamaeleonidae endemic to KwaZulu-Natal, South Africa. It is also known as the KwaZulu dwarf chamaeleon and Durban dwarf chameleon.

Black-tailed jackrabbit

The black-tailed jackrabbit, also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level up to 10.000 ft. Reaching a length around 2 ft, and a weight from 3 to 6 ...

Tiliqua

Blue-tongued skinks comprise the Australasian genus Tiliqua, which contains some of the largest members of the skink family. They are commonly called blue-tongued lizards or simply blue-tongues or blueys in Australia. As suggested by these common ...

Boidae

The Boidae are a family of nonvenomous snakes primarily found in the Americas, although also existing in Africa, Madagascar, Europe, Asia, and some Pacific Islands. Relatively primitive snakes, adults are medium to large in size, with females usu ...

Bombinatoridae

Currently, there are two extant and at least two extinct genera recognised in the family Bombinatoridae: † Eobarbourula Folie et al., 2012 Bombina Oken, 1816 - firebelly toads Barbourula Taylor and Noble, 1924 - jungle toads † Hatzegobatrachus Ve ...

Botia

Botia is a genus of freshwater fish in the loach family. It was a large genus with about 20 species. In 2004 Maurice Kottelat proposed in his paper to divide the genus into four related genera based on fish appearance and locality: Syncrossus for ...

Bovidae

The Bovidae are the biological family of cloven-hoofed, ruminant mammals that includes bison, African buffalo, water buffalo, antelopes, sheep, goats, muskoxen, and domestic cattle. A member of this family is called a bovid. With 143 extant speci ...

Bovinae

The biological subfamily Bovinae includes a diverse group of 10 genera of medium to large-sized ungulates, including domestic cattle, bison, African buffalo, the water buffalo, the yak, and the four-horned and spiral-horned antelopes. The evoluti ...

Bovini

The tribe Bovini, or wild cattle are medium to massive bovines that are native to North America, Eurasia, and Africa. These include the enigmatic, antelope-like saola, the African and Asiatic buffalos, and a clade that consists of bison and the w ...

Hardella

The brahminy river turtle or crowned river turtle is a species of turtle in the family Geoemydidae. The species is endemic to South Asia.

Bronze anole

The bronze anole is a species of anole lizard found in the Caribbean Lesser Antilles and South America. It is distributed on Grenada and throughout the Grenadines islands, and it has been introduced to Trinidad and Tobago. It can also be found in ...

Brookesia

Brookesia is a genus of chameleons, endemic to Madagascar, that range from small to very small in size, and are known collectively as leaf chameleons. Brookesia includes species considered to be the worlds smallest chameleons, and are also among ...

Cadea (lizard)

Cadea is a genus of Amphisbaenia, commonly known as Cuban keel-headed worm lizards. Two species are placed in this genus. Both species are endemic to Cuba.

California tiger salamander

The California tiger salamander is a vulnerable amphibian native to California. It is a mole salamander. Previously considered to be a subspecies of the tiger salamander, the California tiger salamander was recently designated a separate species ...

Calliophis

Species in this genus are: Calliophis haematoetron E.N. Smith, Manamendra-Arachchi & Somweera, 2008 – blood-bellied coral snake Sri Lanka Calliophis maculiceps Gunther, 1858 – speckled coral snake Calliophis intestinalis Laurenti, 1768 – banded M ...

Callitrichidae

The Callitrichidae are a family of New World monkeys, including marmosets, tamarins and lion tamarins. At times, this group of animals has been regarded as a subfamily, called Callitrichinae, of the family Cebidae. This taxon was traditionally th ...

Callosciurus

Callosciurus is a genus of squirrels collectively referred to as the beautiful squirrels ". They are found mainly in Southeast Asia, though a few species also occur in Nepal, northeastern India, Bangladesh and southern China. Several of the speci ...

Calotes maria

C. maria is found in India Khasi Hills in Assam and Mizoram, and may also be found in adjacent areas of Bangladesh Chittagong Hill Tracts and Sylhet Division.

Calotriton

Calotriton, or the European brook newts, is a genus of newts native to the Pyrenees and central Catalonia. These amphibians were formerly placed within genus Euproctus, but the genus was resurrected in 2005. Instead of Euproctus, they seem more c ...

Calumma

Calumma is a genus of chameleons endemic and restricted to Madagascar. The species formerly named Calumma tigris was transferred to the genus Archaius by Townsend et al. when they found that it is more closely related to Rieppeleon than to Calumm ...

Camelidae

Camelids are members of the biological family Camelidae, the only currently living family in the suborder Tylopoda. The extant members of this group are: dromedary camels, Bactrian camels, wild Bactrian camels, llamas, alpacas, vicuñas, and guana ...

Candoia

Candoia is a genus of non-venomous boas found mostly in New Guinea and Melanesia. Five species are recognized as being valid. Common names include: bevel-nosed boas, keel-scaled boas.

Caprinae

The subfamily Caprinae is part of the ruminant family Bovidae, and consists of mostly medium-sized bovids. A member of this subfamily is called a caprine, or, more informally, a goat-antelope, however, this term "goat-antelope" does not mean that ...

Caracal (genus)

Caracal is a genus of the subfamily Felinae in the family Felidae. Previously, it was considered to be a monotypic genus, consisting of only the type species: Caracal caracal, commonly called caracal. Genetic analysis has shown that caracal, Afri ...

Carlia

Carlia is a genus of skinks, commonly known as four-fingered skinks, in the subfamily Eugongylinae. Before being placed in this new subfamily, Carlia was recovered in a clade with the genera Niveoscincus, Lampropholis, and others of the Eugongylu ...

Carollia

Carollia is a genus of bats often referred to as the short-tailed fruit bats. Along with the genus Rhinophylla, Carollia makes up the subfamily Carolliinae of family Phyllostomidae, the leaf-nosed bats. Currently, nine species of Carollia are rec ...

Celestus

Celestus is a genus of anguid lizards containing about 30 living species and one extinct species. Lizards from the genera Celestus and Diploglossus share the common name of galliwasps.

Dermatemys

The Central American river turtle, also known locally as the hickatee or tortuga blanca, is the only living species in the family Dermatemydidae. Its closest relatives are only known from fossils with some 19 genera described from a worldwide dis ...

Ceratophora

The tympanum is hidden, and the body is more or less laterally compressed, and covered with unequal scales. No dorsal crest is present; and a nuchal crest can be present or absent. No gular sac or gular fold is present. A large rostral appendage ...