Nileidae

Nileidae Temporal range: Cambrian to Ordovician PreꞒ Ꞓ O S D C P T J K Pg N [1]
Symphysurus from Iran, Ordovician
Platypeltoides magrebiensis and aglaspidid from early Ordovician Fezouata Formation, Morocco
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Asaphida
Superfamily:	†Cyclopygoidea
Family:	†Nileidae Angelin 1854
Genera
See text

Nileidae is a family of trilobites of the Asaphida order.

These fast-moving nektonic carnivores lived in the Ordovician and Cambrian periods.[1]

Genera

• Aocaspis Dolambi and Gond 1992
• Barrandia McCoy 1849
• Borthaspidella Rasetti 1954
• 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

1. The Paleobiology Database