Physaloptera is a genus of parasitic nematodes in the family Physalopteridae.

See text Species include: Undescribed or unidentified species have been found on the hispid cotton rat (Sigmodon hispidus) in the southern United States,[4] the marsh rice rat (Oryzomys palustris) in Florida,[8] and Leontopithecus rosalia, Physalaemus soaresi, Cacajao calvus, and Lagothrix lagotricha in Brazil.

[2] Most species utilize insects such as crickets, cockroaches, and beetles as intermediate hosts.

Human infection is considered to be ancient; eggs of Physaloptera sp.

were found in a grave of the Bronze Age in Iran.