Ooperipatellus is a genus of Australian and New Zealand velvet worms in the Peripatopsidae family. Species in this genus are oviparous. Most species in this genus have 14 pairs of legs, but O. nanus has only 13 pairs, which is the minimum number found in the phylum Onychophora. Velvet worms in this genus are among the smallest known, with adults often only 10 to 20 millimeters long. Morphological and molecular data indicate that this genus is a monophyletic group.
Paropisthopatus is a monospecific genus of velvet worm containing the single species Paropisthopatus umbrinus. Females of this species range from 20 mm to 70 mm in length. The type locality is in central Chile. Velvet worms in this genus have 16 pairs of legs.
Eoperipatus horsti is a species of velvet worm in the Peripatidae family. This species is brown with pale spots and a darker line running down the middle of its back. Females of this species have 24 or 25 pairs of legs; males have 23 or 24, usually 23. The males of this species can reach 40 mm in length, and the females can reach 46 mm in length, but the average specimen is 34 mm in length. The type locality is in West Malaysia.
Macroperipatus perrieri is a species of velvet worm in the Peripatidae family. This species has 28 to 32 pairs of legs. The type locality is in Mexico.
Opisthopatus amatolensis is a species of velvet worm in the Peripatopsidae family. This species has 16 pairs of legs. The type locality is in South Africa. Although some have deemed O. amatolensis to be a subspecies of O. cinctipes, a similar species also found in South Africa, other authorities recognize O. amatolensis as a separate species, citing the significant distance between the type localities of these two species.
Opisthopatus laevis is a species of velvet worm in the Peripatopsidae family. This species has 16 pairs of legs. The type locality is in South Africa. Although some treat O. laevis as a subspecies of O. cinctipes, a similar species also found in South Africa, other authorities recognize O. laevis as a separate species, citing the significant distance between the type localities of these two species.
Opisthopatus natalensis is a species of velvet worm in the Peripatopsidae family. This species has 16 pairs of legs. The type locality is in South Africa. Although some deem O. natalensis to be a subspecies of O. cinctipes, a similar species also found in South Africa, other authorities recognize O. natalensis as a separate species, citing the significant distance between the type localities of these two species.
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 lankesteri is a species of velvet worm in the Peripatidae family. This species is brownish grey and is notable for its large size, which ranges from 32 mm up to 82 mm in length. Females of this species have 37 or 38 pairs of legs; males have 33 to 35 pairs. The type locality is in Ecuador.
Oroperipatus multipodes is a species of velvet worm in the Peripatidae family. This species has 33 pairs of legs. The type locality is in Colombia.
Peripatus bouvieri is a species of velvet worm in the Peripatidae family. This species has 28 or 29 pairs of legs. The type locality is in Colombia.
Peripatus dominicae is a species of velvet worm in the Peripatidae family. Males of this species have 25 pairs of legs; females can have 28 to 31 pairs of legs, but usually have 29. Females in this species range in size from 29 mm to 56 mm in length, while males range from 17 mm to 25 mm in length. The type locality is in Dominica.
Peripatus ruber is a species of velvet worm in the Peripatidae family. This species has 30 pairs of legs. The type locality is in Costa Rica.
Kumbadjena kaata is a species of velvet worm in the family Peripatopsidae. This species has 15 pairs of legs. The type locality is in Western Australia.
Kumbadjena occidentalis is a species of velvet worm in the family Peripatopsidae described by Joseph James Fletcher in 1895. This species has 15 pairs of legs. The type locality is in Western Australia.
Kumbadjena shannonensis is a species of velvet worm in the Peripatopsidae family. This species has 15 pairs of legs. The type locality is in Western Australia.
Ruhbergia bifalcata is a species of velvet worm in the family Peripatopsidae. This species has 15 pairs of legs in both sexes. The type locality is in New South Wales, Australia.
Ruhbergia brevicorna is a species of velvet worm in the Peripatopsidae family. This species has 15 pairs of legs in both sexes. The type locality is in New South Wales, Australia.
Ruhbergia rostroides is a species of velvet worm in the Peripatopsidae family. This species has 15 pairs of legs in both sexes. The type locality is in New South Wales, Australia.
Macroperipatus ohausi is a species of velvet worm in the Peripatidae family. Females of this species have 27 or 28 pairs of legs. The type locality is Rio de Janeiro, Brazil.
