Artiopoda - Agnostida - Agnostidae
Synonyms: Acutatagnostus Ergaliev 1980, Acutatognostus Ergaliev 1980, Battus Dalman 1927 [objective synonym]
Parent taxon: Agnostidae according to H. B. Whittington et al. 1997
See also Ergaliev and Ergaliev 2008, Henningsmoen 1958, Jell and Adrain 2002, Raymond 1925 and Sepkoski 2002
Sister taxa: Acmarhachis, Agnostinae, Aistagnostus, Barrandagnostus, Biciragnostus, Connagnostus, Eurudagnostus, Formosagnostus, Gymnagnostus, Hadragnostus, Homagnostus, Idolagnostus, Ivshinagnostus, Kormagnostella, Kormagnostus, Kymagnostus, Lotagnostus, Micragnostus, Neoagnostus, Oncagnostus, Oxyagnostus, Peronopsinae, Ptychagnostinae, Quadrahomagnostus, Semagnostus, Strictagnostus, Trilobagnostus
Subtaxa: Acutatagnostus acutatus Acutatagnostus chinensis Acutatagnostus punctatus Agnostus (Agnostus) Agnostus (Homagnostus) Agnostus artilimbatus Agnostus babcocki Agnostus bibullatus Agnostus bidens Agnostus gladiator Agnostus innocens Agnostus interstricta Agnostus neglectus Agnostus neon Agnostus nudus Agnostus orion Agnostus pisiformis Agnostus princeps Agnostus rex Agnostus tardus Agnostus valentinus
Type: Entomostracites pisiformis
Ecology: slow-moving epifaunal detritivore
Distribution:
• Ordovician of United States (1: Nevada collection)
• Tremadoc of the United Kingdom (1)
• Taoyuanian of China (1)
• Solvan of the Czech Republic (1)
• Delamaran of United States (1: Idaho)
• Cambrian of Antarctica (1), Argentina (1), Canada (6: Quebec, Yukon), China (7), Greenland (6), Kazakhstan (21), Norway (18), Poland (2), the Russian Federation (2), Sweden (2), United States (7: Nevada, Pennsylvania, South Dakota, Utah)
Total: 78 collections including 91 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.