Artiopoda - Agnostida - Agnostidae
Synonyms: Calagnostus Zhang and Wang 1985, Hyperagnostus Kobayashi 1955, Pseudorhaptagnostus Lermontova 1940
Parent taxon: Agnostidae according to J.-S. Bao and J.B. Jago 2000
See also Choi and Kim 2006, Jell and Adrain 2002, 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, Oncagnostus, Oxyagnostus, Peronopsinae, Ptychagnostinae, Quadrahomagnostus, Semagnostus, Strictagnostus, Trilobagnostus
Subtaxa: Neoagnostus acutifrons Neoagnostus aspidoides Neoagnostus bilobus Neoagnostus bituberculatus Neoagnostus clavus Neoagnostus cornuformis Neoagnostus denticulatus Neoagnostus dilatus Neoagnostus felix Neoagnostus fengzuensis Neoagnostus greeni Neoagnostus kyrshabactensis Neoagnostus longicollis Neoagnostus occultatus Neoagnostus ovalis Neoagnostus pseudoclavus Neoagnostus quadratiformis Neoagnostus quasibilobus Neoagnostus sabulosus Neoagnostus shiziluensis Neoagnostus tenuispinus Neoagnostus tumidus Pseudorhaptagnostus urceus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ordovician of Australia (1 collection), Canada (3: Alberta, Newfoundland and Labrador)
• Tremadoc of Bolivia (3)
• Cressagian of the United Kingdom (1)
• Taoyuanian of China (10), the Russian Federation (6), South Korea (15)
• Cambrian of Argentina (2), Australia (21), Canada (14: Alberta, Newfoundland and Labrador, Yukon), China (12), Kazakhstan (46), the Russian Federation (2), South Korea (1), United States (11: Arkansas)
Total: 148 collections including 178 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.