Oroperipatus is a genus of Neotropical velvet worms in the family Peripatidae. Species in this genus are found in South America west of the Andes and in Mexico. Velvet worms in this genus can have as few as 22 pairs of legs or as many as 40 leg pairs. This genus is viviparous, with mothers supplying nourishment to their embryos through a placenta.
Epiperipatus imthurni is a species of velvet worm in the family Peripatidae. This species ranges from light orange or yellowish brown to a dark brown on its dorsal surface; the ventral surface is a lighter orangeish shade of the same color. The type locality is in Guyana. No males have been recorded from this species. Females can reach a large size, up to 2.25 g in weight, and range from 25 mm up to 96 mm in length. They have 29 to 32 pairs of legs, usually 30 or 31. Females from Trinidad were shown to reproduce via parthenogenesis; the only velvet worm known to do so.
Epiperipatus barbadensis is a species of velvet worm in the Peripatidae family, first described based on specimens from Barbados. It is one of the velvet worms that most often is kept in captivity, and was the first member of the Peripatidae family to be successfully maintained by hobbyist invertebrate keepers; it is easier to keep than the majority of other velvet worm species that have been tried, but still has specialized requirements that resemble those necessary for keeping poison dart frogs. E. barbadensis is social, nocturnal and viviparous, can live for several years, and feeds on small invertebrates that are caught by ejecting an adhesive slime from glands on their head.
Epiperipatus acacioi is a species of velvet worm in the Peripatidae family. This species is dark purple with a bilaterally symmetric pattern on its dorsal surface and ranges from 13 mm to 47 mm in length. Males of this species have 24 to 27 pairs of legs, usually 25 or 26; females have 26 to 30, usually 27 or 28. The type locality is in Minas Gerais, Brazil.
Epiperipatus brasiliensis is a species of velvet worm in the Peripatidae family. Males of this species have 29 pairs of legs; females have 31 or 33. This species ranges from 37 mm to 80 mm in length. The type locality is in Pará, Brazil. Epiperipatus vagans from Barro Colorado Island (Panama) was originally described as subspecies of Epiperipatus brasiliensis, but is now treated as a full species.
Epiperipatus edwardsii is a species of velvet worm in the Peripatidae family. Females of this species have 29 to 34 pairs of legs; males have 28 to 30. Females range from 23 mm to 56 mm in length, whereas males range from 25 mm to 30 mm. The type locality is in French Guiana.
Epiperipatus isthmicola is a species of velvet worm in the Peripatidae family. This species is a dark brown, almost black, without any pattern on its dorsal surface. Females of this species have 29 to 32 pairs of legs; males have 26 or 27. Females range from 20 mm to 73 mm in length, whereas males range from 20 mm to 48 mm. The type locality is in Costa Rica.
Epiperipatus machadoi is a species of velvet worm in the Peripatidae family. This species is dark brown with a series of light brown arcs on each side forming circles down its back and ranges from 20 mm to 66 mm in length. Males of this species have 27 to 29 pairs of legs, usually 28; females have 28 to 31, usually 31. The type locality is in Minas Gerais, Brazil.
Oroperipatus balzani is a species of velvet worm in the Peripatidae family. Males of this species range from 27 mm to 31 mm in length and have 26 or 27 pairs of legs. The type locality is in Bolivia and Brazil.
Oroperipatus belli is a species of velvet worm in the Peripatidae family. The female of this species has 28 pairs of legs; the male has 25 pairs. The type locality is in Ecuador.
Oroperipatus bimbergi is a species of velvet worm in the Peripatidae family. The female of this species has 27 or 28 pairs of legs, usually 27; the male has 24 or 25 usually, rarely 26. The type locality is in Colombia.
Oroperipatus bluntschli is a species of velvet worm in the Peripatidae family. The original description of this species is based on a female specimen measuring 100 mm in length; its 40 pairs of legs are notable for approaching the maximum number (43) recorded in velvet worms. The type locality is in Peru.
Oroperipatus cameranoi is a species of velvet worm in the Peripatidae family. This species ranges from 34 mm to 55 mm in length. Females of this species have 34 to 36 pairs of legs; males have 32. The type locality is in Ecuador.
Oroperipatus corradoi is a species of velvet worm in the Peripatidae family. Females of this species have 26 to 29 pairs of legs, usually 28; males have 24 to 27. Females range from 14 mm to 60 mm in length, while males range from 14 mm to 25 mm in length. The type locality is in Ecuador.
Oroperipatus koepckei is a species of velvet worm in the Peripatidae family. The original description of this species is based on a single female specimen measuring 40 mm in length. The female of this species has 32 pairs of legs. The type locality is in Peru.
Oroperipatus omeyrus is a species of velvet worm in the Peripatidae family. This species is blackish red on its dorsal surface but lighter and brownish on its ventral surface. The original description of this species is based on female specimens with 24 to 26 pairs of legs and an embryo with 22 pairs of legs. The females range from 16 mm to 22 mm in length. The type locality is in Peru.
Oroperipatus peruvianus is a species of velvet worm in the Peripatidae family. Males of this species have 34 pairs of legs; females have 36 or 37. Female specimens range from 55 mm to 61 mm in length. The type locality is in Peru.
Oroperipatus weyrauchi is a species of velvet worm in the Peripatidae family. The original description of this species is based on only two specimens, a male with 40 pairs of legs and a larger female with 38 leg pairs. The type locality is in Peru.
Peripatus danicus is a species of velvet worm in the Peripatidae family. Females of this species have 31 to 33 pairs of legs; males have 26 to 28. Females range from 26 mm to 45 mm in length, whereas males range from 9 mm to 21 mm. The type locality is in Saint Thomas Island.
Peripatus sedgwicki is a species of velvet worm in the Peripatidae family. Females of this species have 29 to 32 pairs of legs; males have 28 to 30. Females range from 25 mm to 60 mm in length, while males range from 23 mm to 30 mm. The type locality is in Venezuela.
