Ammagnostidae

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Ammagnostidae
Temporal range: Cambrian–Ordovician
Scientific classification
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Ammagnostidae
Genera

Ammagnostidae is a family of trilobites in the suborder Agnostina, small, eyeless, isopygous trilobites with a thorax consisting of 2 segments only. Four genera have been assigned to it:

Ammagnostus Öpik, 1967
Hadragnostus Öpik, 1967
Kormagnostus Resser, 1938
Proagnostus Butts, 1926

They lived during the late Cambrian period to the Ordovician period.

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