Artiopoda - Asaphida - Asaphidae
Parent taxon: Asaphidae according to A. W. Owen and D. L. Bruton 1980
See also Dean 1983, Harrington and Leanza 1957, M'Coy 1849, Phleger 1933 and Whittington 1941
Sister taxa: Anataphrus, Asaphellus, Atopasaphus, Aulacoparia, Australopyge, Basilicus, Bellefontia, Birmanites, Bohemopyge, Borogothus, Brachyaspis, Branisaspis, Burminresia, Delphasaphus, Ectenaspis, Ekeraspis, Emanuelaspis, Eoasaphus, Eoisotelus, Fuyunia, Gerasaphes, Gogiura, Griphasaphus, Guohongjunia, Hoekaspis, Homalopyge, Hunnebergia, Isabelinia, Isotelinae, Isyrakopeltis, Kainisiliellina, Kayseraspis, Klabavia, Kobayashia, Lachnostoma, Lisogorites, Lycophron, Metaptychopyge, Metayuepingia, Nahannia, Neoasaphus, Neopeltis, Nerudaspis, Nileoides, Ningkianites, Niobides, Niobina, Niobinae, Nobiliasaphinae, Nobiliasaphus, Norasaphus, Norinia, Notopeltis, Ogmasaphus, Ogygiinae, Ogyginus, Ogygiocaridinae, Ogygiocarinae, Ogygiocaris, Ogygites, Ogygitoides, Onchometopus, Parabellefontia, Paramegalaspis, Paratamdaspis, Penchiopsis, Plectasaphus, Popovkiaspis, Presbynileus, Priceaspis, Proasaphus, Promegalaspidinae, Proscharyia, Protopresbynileus, Protoptychopyge, Pseudasaphus, Pseudoasaphus, Pseudogriphasaphus, Pseudogygites, Pseudoptyocephalus, Psilocephalina, Ptychopyge, Ptychopyginae, Ptyocephalus, Sanbernardaspis, Stegnopsis, Stenorhachis, Subasaphus, Suriaspis, Tchukeraspis, Thysanopyge, Trigonocerca, Trigonocercella, Valdaites, Vogdesia, Xenasaphus, Xenostegium, Zhenganites, Zuninaspis
Subtaxa: Asaphus Lonchobasilicus Ogygitella Pseudobasilicus Pseudomegalaspis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Uhaku of Belarus (2 collections), Latvia (1), Lithuania (2), Norway (7), Sweden (11)
• Dobrotivian of Portugal (1)
• Valaste of Sweden (7)
• Langevoja of Sweden (4)
• Hunderum of Sweden (3)
• Arenig of Argentina (1), China (12), the Russian Federation (1), Sweden (1)
• Dawan of China (2)
• Ordovician of Argentina (7), Australia (9), Belarus (3), Canada (1: Manitoba), China (12), Latvia (1), Lithuania (11), Norway (20), Poland (1), the Russian Federation (52), Sweden (76), the United Kingdom (1)
Total: 249 collections including 282 occurrences