Trilobita - Corynexochida - Styginidae
Parent taxon: Styginidae according to H. B. Whittington 2000
Sister taxa: Alceste, Altaepeltis, Ancyropyge, Arctipeltis, Australoscutellum, Avascutellum, Bojoscutellum, Boreoscutellum, Breviscutellum, Bubupeltina, Bumastinae, Cekovia, Ciliscutellum, Cornuscutellum, Craigheadia, Cybantyx, Decoroscutellum, Delgadoa, Dentaloscutellum, Dulanaspis, Ekwanoscutellum, Eoscutellum, Exastipyx, Failleana, Goldillaenoides, Goldillaenus, Hidascutellum, Illaenoides, Kirkdomina, Kobayashipeltis, Kolihapeltis, Kosovopeltis, Kotysopeltis, Lamproscutellum, Leioscutellum, Ligiscus, Liolalax, Meitanillaenus, Metascutellum, Microscutellum, Mulciberaspis, Octobronteus, Paracybantyx, Paralejurus, Paraphillipsinella, Perischoclonus, Phillipsinella, Planiscutellum, Platyscutellum, Poroscutellum, Promago, Protostygina, Pseudostygina, Quyuania, Radioscutellum, Raymondaspis, Rhaxeros, Sangzhiscutellum, Scabriscutellum, Scutelluidae, Scutellum, Spiniscutellum, Stygininae, Tenuipeltis, Theamataspis, Thomastus, Thysanopeltella, Unicapeltis, Uraloscutellum, Waisfeldaspis, Weberopeltis, Xyoeax
Subtaxa: Eobronteus Eokosovopeltis Goldius Telopeltis
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Australia (4 collections), Belgium (8), France (3), Germany (4), Morocco (1), New Zealand (1)
• Silurian of Canada (1: Northwest Territories), the Russian Federation (3), United States (4: New York)
• Whiterockian of Canada (2: Quebec), United States (1: Vermont)
• Ordovician of Australia (15), Canada (2: Ontario, Québec), China (4), Kazakhstan (5), Norway (4), Sweden (6), the United Kingdom (3), United States (3: Illinois, Iowa/Wisconsin, Missouri)
Total: 74 collections including 76 occurrences