Parascaris

Parascaris is a genus of nematodes in the family Ascarididae. It contains two species, Parascaris equorum and Parascaris univalens, which are morphologically identical, but can be distinguished by chromosome number. Both species parasitize horses.^[1]

Parascaris
Male (top) and female (bottom) P. equorum
Scientific classification
Kingdom:	Animalia
Phylum:	Nematoda
Class:	Chromadorea
Order:	Rhabditida
Family:	Ascarididae
Genus:	Parascaris Yorke & Maplestone, 1926
Species
Parascaris equorum Parascaris univalens