Artiopoda - Asaphida - Nileidae
Parent taxon: Nileidae according to O. A. Hoel 1999
See also Fortey 1975, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Aocaspis, Barrandia, Berkutaspis, Borthaspidella, Bumastides, Elongatanileus, Homalopteon, Illaenopsis, Kodymaspis, Lakaspis, Neopsilocephalina, Nileidae stenorhachis, Nileus, Parabarrandia, Paraperaspis, Peraspis, Petrbokia, Platypeltoides, Poronileus, Psilocephalinella, Shenjiawania, Symphysurina, Varvia
Subtaxa: Symphysurus angustatus Symphysurus arcticus Symphysurus goldfussi Symphysurus palpebrosus
Type: Asaphus palpebrosus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Whiterockian of United States (1: Utah collection)
• Billingen of Norway (1), Sweden (2)
• Arenig of Argentina (1), China (6), France (3), Morocco (1), Sweden (3)
• Klabava of Czechia (1), France (1)
• Ordovician of China (21), Colombia (1), Czechia (1), France (7), Iran (1), Morocco (2), Norway (9), the Russian Federation (1), Sweden (13)
Total: 76 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.