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Quadragnostus Howell 1966 (trilobite)

Trilobita - Agnostida - Metagnostidae

PaleoDB taxon number: 19307

Parent taxon: Metagnostidae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Anglagnostus, Arthrorhachis, Corrugatagnostus, Galbagnostus, Geragnostella, Geragnostus, Homagnostoides, Trinodus

Subtaxa: none

Ecology: slow-moving epifaunal detritivore