"Centipede" was followed by "Millipede" in 1982, a somewhat less successful arcade game. Glomeris marginata is a common European species of pill millipede. The longest extant species is the giant African millipede ("Archispirostreptus gigas"). Narceus americanus is a large millipede of eastern North America. Common names include American giant millipede, worm millipede, and iron worm. Many millipede species have commensal relationships with mites of the orders Mesostigmata and Astigmata. The African millipede "Archispirostreptus gigas" is one of the largest in the world. Pneumodesmus newmani is a species of millipede that lived in the Paleozoic. Approximately 12,000 millipede species have been described. Native people in Malaysia use millipede secretions in poison-tipped arrows. On average, they have over 600 legs, twice the average for millipede species. In certain Himalayan Bhotiya tribes, dry millipede smoke is used to treat haemorrhoids. "Thecla muirii" (a butterfly), and "Amplaria muiri" (a millipede) were all named after John Muir. Below are two proposed arrangements of fossil millipede groups. This approach bears much resemblance to IBM's Millipede technology.