Nileidae is a family of trilobites of the Asaphida order.
These fast-moving nektonic carnivores lived in the Ordovician and Cambrian periods.
Genera
Aocaspis Dolambi and Gond 1992 Barrandia McCoy 1849 Borthaspidella Rasetti 1954 Bumastides Veber 1948 Homalopteon Salter 1867 Illaenopsis Salter 1865 Kodymaspis Prantl and Pribyl 1950 Neopsilocephalina Yin 1978 Nileus Dalman 1827 Parabarrandia Prantl and Pribyl 1949 Peraspis Whittington 1965 Petrbokia Pribyl and Vanek 1965 Platypeltoides Pribyl 1949 Poronileus Fortey 1975 Psilocephalinella Kobayashi 1951 Symphysurina Ulrich 1924 Symphysurus Goldfuss 1843 Varvia Thernvik 1965
References