Trilobita - Corynexochida - Styginidae
Parent taxon: Styginidae according to H. B. Whittington 2000
See also Owen 1981 and Owen and Bruton 1980
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, Scutelluinae, Scutellum, Spiniscutellum, Tenuipeltis, Theamataspis, Thomastus, Thysanopeltella, Unicapeltis, Uraloscutellum, Waisfeldaspis, Weberopeltis, Xyoeax
Subtaxa: Bronteopsis Stygina
Ecology: nektobenthic carnivore
Distribution:
• Silurian of Sweden (1 collection)
• Uhaku of Norway (1)
• Arenig of China (1)
• Ordovician of Belgium (1), China (2), the Czech Republic (1), Estonia (1), Norway (33), the Russian Federation (3), Spain (1), Sweden (12), the United Kingdom (10), United States (3: Nevada, Virginia)
Total: 70 collections including 76 occurrences