Physalopteridae

Physalopteridae is a family of spirurian nematodes, which belongs to the superfamily Physalopteroidea. Like all nematodes, they have neither a circulatory nor a respiratory system.

The Physalopteridae include species which are parasitic in various vertebrates.

Systematics
The family includes:
 * Subfamily Physalopterinae Railliet, 1893
 * Genus Physaloptera Rudolphi, 1819
 * Genus Abbreviata Travassos, 1920
 * Subfamily Proleptinae Schulz, 1927
 * Genus Rasheedia Moravec & Justine, 2018
 * Genus Heliconema Travassos, 1919
 * Genus Paraleptus Wu, 1927
 * Genus Proleptus Dujardin, 1845