Itagnostus

Itagnostus; Temporal range:
	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. subhastatus (Geyer & Peel, 2017); 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.

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