Itagnostus

Itagnostus Temporal range: earliest Mayan to earliest Batyrbayan PreЄ Є O S D C P T J K Pg N
Itagnostus interstrictus, until recently known as Peronopsis interstricta, from the Wheeler Shale, Utah
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Agnostida
Family:	Peronopsidae
Genus:	Itagnostus Öpik, 1979
species
I. elkedrensis (Etheridge, 1902) (type) I. comis (Öpik, 1979) I. doylei (Laurie, 2006) I. gaspensis (Rasetti, 1948) ssp. gaspensis ssp. taitzuhoensis (Lu, 1957) I. interstrictus (White, 1874) synonyms Euagnostus levifrons, Peronopsis interstricta ssp. interstrictus ssp. robustus (Deiss, 1939) synonym Agnostus robustus I. krusei (Laurie, 2006) I. oepiki Laurie, 2004 I. walleyae (Laurie, 2006)

Itagnostus is a genus of trilobite restricted to the Middle Cambrian. Its remains have been found in Asia, Australia, Europe, and North America.