Trilobita - Asaphida - Nileidae
Alternative spelling: Illaenus (Nileus)
Synonym: Remopleuridioides Harrington and Leanza 1957
Parent taxon: Nileidae according to O. A. Hoel 1999
See also Fortey 1975, Fortey and Droser 1999, Harrington and Leanza 1957, Jell and Adrain 2002, Neuman 1964, Raymond 1925 and Sepkoski 2002
Sister taxa: Aocaspis, Barrandia, Berkutaspis, Borthaspidella, Bumastides, Elongatanileus, Homalopteon, Illaenopsis, Kodymaspis, Lakaspis, Neopsilocephalina, Nileidae stenorhachis, Parabarrandia, Paraperaspis, Peraspis, Petrbokia, Platypeltoides, Poronileus, Psilocephalinella, Shenjiawania, Symphysurina, Symphysurus, Varvia
Subtaxa: Nileus affinis Nileus amplus Nileus armadillo Nileus australis Nileus cingolanii Nileus depressus Nileus deynouxi Nileus erici Nileus exarmatus Nileus gabata Nileus glazialis Nileus hesperaffinis Nileus lacunosa Nileus macrops Nileus orbiculatoides Nileus orbiculatus Nileus petilus Nileus planiceps Nileus porosus Nileus scrutator Nileus walcotti Remopleuridioides preandinus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Uhaku of Sweden (5 collections)
• Whiterockian of Canada (23: Newfoundland, Newfoundland and Labrador), Norway (2), United States (11: Nevada)
• Chazyan of Canada (4: Newfoundland and Labrador)
• Fennian of United States (1: Nevada)
• Volkhov of Estonia (1), the Russian Federation (14), Sweden (15)
• Hunderum of Sweden (6)
• Langevoja of Sweden (4)
• Arenig of Argentina (2), China (13), Norway (2), Sweden (4)
• Arenigian of Canada (2: Northwest Territories), China (16)
• Dawan of China (3)
• Ordovician of Argentina (7), Australia (1), Canada (5: Newfoundland, Newfoundland and Labrador, Northwest Territories, Yukon), China (47), Iran (6), Ireland (2), Kazakhstan (2), Norway (6), the Russian Federation (4), Sweden (23), the United Kingdom (4), United States (27: Alaska, California, Maine, Nevada, Virginia)
• Tremadoc of Norway (1), Sweden (2)
• Ibexian of United States (1: Nevada)
Total: 266 collections including 287 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.