👉 Panagrolaimidae is a group of small, parasitic nematode worms commonly found in various habitats and ecosystems worldwide. This group includes several genera that have been identified as parasites, such as "P. schistosum" (the common snail worm), "P. vivax" (the common whipworm), "P. othracei" (the common whipworm), "P. trichinella" (the common tapeworm), and others