Artiopoda - Agnostida - Agnostidae
Parent taxon: Agnostidae according to J.-S. Bao and J.B. Jago 2000
See also Sepkoski 2002 and Whittington et al. 1997
Sister taxa: Acmarhachis, Agnostinae, Agnostus, Aistagnostus, Barrandagnostus, Biciragnostus, Connagnostus, Eurudagnostus, Formosagnostus, Gymnagnostus, Hadragnostus, Homagnostus, Idolagnostus, Ivshinagnostus, Kormagnostella, Kormagnostus, Kymagnostus, Lotagnostus, Micragnostus, Neoagnostus, Oncagnostus, Oxyagnostus, Peronopsinae, Ptychagnostinae, Quadrahomagnostus, Semagnostus, Strictagnostus
Subtaxa: Trilobagnostus convexus Trilobagnostus innitialis Trilobagnostus kazachstanicus Trilobagnostus mundus Trilobagnostus pseudorudis Trilobagnostus rudis Trilobagnostus spinosus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ordovician of Bolivia (1 collection), United States (2: Montana, Texas)
• Taoyuanian of the Russian Federation (6)
• Cambrian of Argentina (1), Australia (4), Kazakhstan (16), Norway (1), Poland (1), the Russian Federation (7), Sweden (1)
Total: 40 collections including 43 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.