Macroperipatus torquatus is a species of velvet worm in the Peripatidaefamily.[1] This species has a brown or red back with a bright yellow collar, a black head with black antennae, a white underside with a red tint, and 37 to 42 pairs of legs (usually 39 to 41 leg pairs, with 41 as the most common number).[2] These velvet worms range from 100 mm to 150 mm in length.[3] This species is notable for its numerous legs and its large size, with mature females ranging from 1.75 g to as much as 5.68 g in weight.[2] This species is found in Trinidad.[4]