Artiopoda - Agnostida - Agnostidae
Parent taxon: Agnostidae according to H. B. Whittington et al. 1997
See also Sepkoski 2002
Sister taxa: Acmarhachis, Agnostinae, Agnostus, Aistagnostus, Barrandagnostus, Biciragnostus, Connagnostus, Eurudagnostus, Formosagnostus, Gymnagnostus, Homagnostus, Idolagnostus, Ivshinagnostus, Kormagnostella, Kormagnostus, Kymagnostus, Lotagnostus, Micragnostus, Neoagnostus, Oxyagnostus, Peronopsinae, Phalacroma, Ptychagnostinae, Quadrahomagnostus, Semagnostus, Strictagnostus, Trilobagnostus
Subtaxa: Oncagnostus tumidosus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Argentina (1 collection), Australia (1), Canada (3: Yukon), China (1), Kazakhstan (7), United States (7: Alaska, California, Missouri, Oklahoma)
Total: 20 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.