Artiopoda - Agnostida - Agnostidae
Parent taxon: Agnostidae according to H. B. Whittington et al. 1997
See also Palmer 1954, Sepkoski 2002 and Westrop et al. 1996
Sister taxa: Acmarhachis, Agnostinae, Agnostus, Aistagnostus, Barrandagnostus, Biciragnostus, Connagnostus, Eurudagnostus, Formosagnostus, Gymnagnostus, Hadragnostus, Homagnostus, Idolagnostus, Ivshinagnostus, Kormagnostella, Kymagnostus, Lotagnostus, Micragnostus, Neoagnostus, Oncagnostus, Oxyagnostus, Peronopsinae, Ptychagnostinae, Quadrahomagnostus, Semagnostus, Strictagnostus, Trilobagnostus
Subtaxa: Kormagnostus boltoni Kormagnostus clavatus Kormagnostus copelandi Kormagnostus cuchillensis Kormagnostus inventus Kormagnostus minutus Kormagnostus seclusus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Taoyuanian of China (1 collection), South Korea (21)
• Cambrian of Argentina (2), Canada (30: Newfoundland and Labrador, Yukon), China (33), France (1), Greenland (12), Kazakhstan (23), South Korea (1), United States (69: South Dakota, Texas, Utah, Wyoming)
Total: 193 collections including 204 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.