Artiopoda - Corynexochida - Styginidae
Full reference: P. E. Raymond. 1916. New and old Silurian trilobites from Southeastern Wisconsin, with notes on the genera of the Illaenidae. Bulletin of the Musuem of Comparative Zoology 60(1):1-42
Parent taxon: Styginidae according to J. M. Adrain et al. 1995
See also Raymond 1916
Sister taxa: Alceste, Altaepeltis, Ancyropyge, Arctipeltis, Australoscutellum, Avascutellum, Bojoscutellum, Boreoscutellum, Breviscutellum, Bubupeltina, 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, Paraphillipsinella, Perischoclonus, Phillipsinella, Planiscutellum, Platyscutellum, Poroscutellum, Promago, Protostygina, Pseudostygina, Quyuania, Radioscutellum, Raymondaspis, Rhaxeros, Sangzhiscutellum, Scabriscutellum, Scutelluidae, Scutelluinae, Scutellum, Spiniscutellum, Stygininae, Tenuipeltis, Theamataspis, Thomastus, Thysanopeltella, Unicapeltis, Uraloscutellum, Waisfeldaspis, Weberopeltis, Xyoeax
Subtaxa: Opsypharus
Ecology: nektobenthic carnivore
Distribution:
• Silurian of Canada (1: Yukon Territory collection), Greenland (1), Ukraine (2), the United Kingdom (5), United States (2: Alaska, Illinois)
• Ordovician of Sweden (2)
Total: 13 collections each including a single occurrence