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, Homagnostus, Idolagnostus, Ivshinagnostus, Kormagnostella, Kormagnostus, Kymagnostus, Micragnostus, Neoagnostus, Oncagnostus, Oxyagnostus, Peronopsinae, Phalacroma, Ptychagnostinae, Quadrahomagnostus, Semagnostus, Strictagnostus, Trilobagnostus
Subtaxa: Lotagnostus (Distagnostus) Lotagnostus (Eolotagnostus) Lotagnostus (Lotagnostus) trisectus Lotagnostus agnostiformis Lotagnostus americanus Lotagnostus asiaticus Lotagnostus atenuatus Lotagnostus clarki Lotagnostus extremus Lotagnostus hedini Lotagnostus morrisoni Lotagnostus nolani Lotagnostus obscurus Lotagnostus punctatus Lotagnostus rushtoni
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ordovician of Canada (1: Newfoundland and Labrador collection)
• Taoyuanian of China (17), the Russian Federation (3)
• Cambrian of Argentina (24), Australia (5), Canada (5: Newfoundland and Labrador, Quebec, Yukon), China (25), Kazakhstan (17), the Russian Federation (12), the United Kingdom (1), United States (11: Nevada, Vermont)
Total: 121 collections including 162 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.