Taxa named by Johann Baptist von Spix

species of mammal (Callithrix pygmaea), synonym of Cebuella pygmaea

genus of crocodilians from the alligator family

species of bird

The muriquis, also known as woolly spider monkeys, are the monkeys of the genus Brachyteles. They are closely related to both the spider monkeys and the woolly monkeys.

Aratinga is a genus of South American conures. Most are predominantly green, although a few are predominantly yellow or orange. They are social and commonly seen in groups in the wild. In Brazil, the popular name of several species usually is jandaia, sometimes written as jandaya in the scientific form.

species of primate

species of New World monkey

species of New World monkey

species of mammal

species of bird

species of mammal

species of mammal

Disk-winged bats are a small group of bats of the family Thyropteridae and genus Thyroptera. They are found in Central and South America, usually in moist tropical rain forests. It is a very small family, consisting of a single genus with five extant and one fossil species.

species of mammal

species of mammal

species of mammal

species of bird

species of mammal

Kinosternon is a genus of small aquatic turtles from the Americas known commonly as mud turtles.

species of bird

species of mammal

Gymnodactylus is a genus of Brazilian geckos, commonly known as naked-toed geckos, in the family Phyllodactylidae.

species of mammal

species of mammal

species of mammal

thumb|Biara aka Machete Payara caught in the Amazon on a fishing expedition The biara (Rhaphiodon vulpinus), also known at Machete Payara is a South American piscivorous fish in the dogtooth characin family. It belongs to the monotypic genus Rhaphiodon, although some minor differences in morphometrics and colour are known from across its large range. It is found in the Amazon, Orinoco, and Río de la Plata Basins, as well as rivers of the Guianas. It occurs in a wide range of freshwater habitats such as main river channels, flooded forests, lakes and reservoirs. Some populations are migratory.

species of fish

species of fish

species of mammal

Kentropyx is a genus of whiptail lizards in the family Teiidae. The genus is endemic to South America including Trinidad and Barbados.

species of bird

species of amphibian

species of mammal

species of mammal

species of fish

thumb | right | Illustration of Heterodactylus imbricatus (c. 1700-1880)

species of amphibian

Crocodilurus is a monotypic lizard genus consisting of one species, Crocodilurus amazonicus, belonging to the family Teiidae (tegus, ameivas and whiptails). Its common name is the crocodile tegu, due to its appearance and fondness for water, and is locally known as the jacarerana. This semi-aquatic, predatory lizard has a flattened, paddle-like tail, enabling it to swim with ease.

species of fish

species of reptile

species of amphibian

species of New World monkey

species of fish

Leposoma is a genus of South American lizards in the family Gymnophthalmidae.

species of reptile

genus of fishes

species of reptile

species of reptile

species of mammal

species of reptile

species of reptile

species of reptile

species of fish

species of fish

species of amphibian

species of fish

species of fish

species of fish

species of fish

species of reptile