Time interval |
Ma |
Country or state |
Original ID and collection number |
Rangerian | 471.3 - 470.3 | USA (Nevada)
| A. sp. (104448) |
Dapingian | 471.3 - 469.4 | Russian Federation (Siberia)
| A. sp. (9293) |
Middle Ordovician | 471.3 - 458.2 | Argentina
| A. sp. (9031) |
Chazyan | 471.3 - 457.3 | Canada (Northwest Territories)
| A. fimbriatus (25933 25935) A. fimbriatus, A. sp. (26057) A. sp. (315 26054) A. sp., A. fimbriatus (24621) |
Whiterockian | 471.3 - 457.3 | USA (Nevada)
| A. sp. (104280 104445 104446) |
Whiterockian | 471.3 - 457.3 | USA (Oklahoma)
| A. perforata (162342) |
Whiterockian | 471.3 - 457.3 | Canada (Northwest Territories)
| A. fimbriatus (102255) |
Early/Lower Llanvirn | 468.0 - 461.1 | China (Hubei)
| A. sp. (4713) |
Oretanian | 468.0 - 461.0 | Spain (Caceres)
| A. sp. (21048) |
Oretanian | 468.0 - 461.0 | Spain (Salamanca)
| A. sp. (21092) |
Early/Lower Llandeilo | 461.1 - 458.2 | China (Hubei)
| A. sp. (4711) |
Early/Lower Llandeilo | 461.1 - 458.2 | Russian Federation (Siberia)
| A. sp. (9296 9300) |
Late/Upper Llandeilo | 461.1 - 458.2 | China (AnHui)
| A. sp. (7838) |
Late/Upper Llanvirn | 461.1 - 458.2 | Russian Federation (Siberia)
| A. sp. (9227) |
Sandbian | 458.2 - 452.8 | Canada (Northwest Territories)
| A. fimbriatus (102272) |
Caradoc | 458.2 - 449.5 | China (ZheJiang)
| A. sp. (7769) |
Blackriveran | 457.3 - 449.6 | USA (Oklahoma)
| A. maccoyii, A. millepunctatus (23885 23886) |
Blackriveran - Rocklandian | 457.3 - 449.6 | Canada (Northwest Territories)
| A. fimbriatus (24634) |
Kirkfieldian | 457.3 - 449.6 | USA (Iowa)
| A. carinatus, A. chatfieldensis, A. ellipticus, A. fimbriatus, A. macrus, A. paratumida (23214 23215) |
Kirkfieldian - Shermanian | 457.3 - 449.6 | USA (Minnesota)
| A. carinatus, A. chatfieldensis, A. fimbriatus, A. macrus, A. paratumida (23177) |
Rocklandian | 457.3 - 449.6 | USA (Iowa)
| A. carinatus, A. chatfieldensis, A. ellipticus, A. fimbriatus, A. macrus, A. paratumida (23203 23207) |
Rocklandian - Kirkfieldian | 457.3 - 449.6 | Canada (Northwest Territories)
| A. fimbriatus (24635) |
Rocklandian - Shermanian | 457.3 - 449.6 | USA (Minnesota)
| A. carinatus, A. chatfieldensis, A. ellipticus, A. fimbriatus, A. macrus, A. paratumida (23174) |
Shermanian | 457.3 - 449.6 | USA (Iowa)
| A. carinatus, A. chatfieldensis, A. fimbriatus, A. macrus, A. paratumida (23219) A. carinatus, A. chatfieldensis, A. paratumida, A. fimbriatus, A. macrus (23217) |
Trentonian | 457.3 - 449.6 | USA (New York)
| A. minutissimus (338) |
Wildernessian | 457.3 - 449.6 | Canada (Northwest Territories)
| A. fimbriatus (26958 26959 26961 26965 26968 102244 102245 102249 102250) A. fimbriatus, A. sp. (26960) |
Longvillian - Marshbrookian | 457.2 - 454.0 | China (ShanXi)
| A. sp. (7918) |
Actonian - Onnian | 454.0 - 449.5 | China (ZheJiang)
| A. sp. (7768) |
Chatfieldian | 453.8 - 451.0 | USA (New York)
| A. minutissimus (76093) |
Chatfieldian - Edenian | 453.8 - 450.2 | Canada (Nunavut)
| A. sp. (24116) |
Katian | 452.8 - 445.2 | USA (New York)
| A. sp. (340) |
Edenian | 451.0 - 450.2 | Canada (Northwest Territories)
| A. fimbriatus (24636) |
Edenian | 451.0 - 450.2 | USA (Kentucky)
| A. minutissimus (162346) |
Edenian | 451.0 - 450.2 | USA (Ohio)
| A. minutissimus (162345) |
Edenian - Maysvillian | 451.0 - 449.6 | USA (Iowa)
| A. barbatus (23235) |
Edenian - Maysvillian | 451.0 - 449.6 | USA (Minnesota)
| A. barbatus (23191) |
Maysvillian | 450.2 - 449.6 | USA (Ohio)
| A. minutissimus (162343 162344) |
Maysvillian | 450.2 - 449.6 | Canada (Ontario)
| A. minutissimus (26302) |
Richmondian | 449.6 - 445.5 | USA (Ohio)
| A. minutissimus, A. oblongus (5326) |
Richmondian | 449.6 - 445.5 | Canada (Nunavut)
| A. fimbriatus (24176) A. sp. (101984) |
Pusgillian - Cautleyan | 449.5 - 448.8 | China (JiangSu)
| A. sp. (7872) |
Wufeng - Rawtheyan | 449.4 - 445.2 | China (AnHui)
| A. sp. (7834) |
Sheinwoodian | 432.9 - 430.6 | Canada (Northwest Territories)
| A. sp. (26005) |
Wenlock - Pridoli | 432.9 - 419.62 | Italy (Sardinia)
| A. sp. (26163) |
Ludlow - Pridoli | 426.7 - 419.62 | USA (West Virginia)
| A. obliquatus (41729) A. punctillosa (41725) |
Ludlow - Pridoli | 426.7 - 419.62 | USA (Maryland)
| A. punctillosa (41644 41646 41647 41711) |
Pridoli | 422.7 - 419.62 | USA (Maryland)
| A. sp. (489 24914 24916 24917) |
Lochkovian | 419.62 - 413.02 | Russian Federation (Arkhangel'skaya Oblast')
| A. messleriformis (40697 40698) |
Lochkovian | 419.62 - 413.02 | Russian Federation (Sverdlovskaya Oblast)
| A. messleriformis, A. koneprusiensis (81749) |
Lochkovian | 419.62 - 413.02 | Russian Federation
| A. auriculiferus (13959 13960) A. messleriformis, A. koneprusiensis (24741) |
Lochkovian - Pragian | 419.62 - 410.62 | Russian Federation
| A. sp. (24737 24774) |
Pragian | 413.02 - 410.62 | Russian Federation (Sverdlovskaya Oblast)
| A. koneprusiensis (81796) A. spinosus, A. koneprusiensis, A. messleriformis (81750) |
Pragian - Early/Lower Emsian | 413.02 - 399.5 | Russian Federation (Sverdlovskaya Oblast)
| A. messleriformis (81790) |
Early/Lower Emsian | 410.62 - 399.5 | Germany
| A. sp. (26904) |
Eifelian | 393.47 - 387.95 | USA (Pennsylvania)
| A. subrotunda (9523 9524 9525) |
Givetian | 387.95 - 382.31 | China
| A. auriculiferus (235938) |
Late/Upper Frasnian | 375.2 - 372.15 | Poland (Kostomloty)
| A. sp. (162220) |
Late/Upper Frasnian | 375.2 - 372.15 | France (Alsace)
| A. brauni (38675) |
Early/Lower Famennian | 372.15 - 368.5 | USA (Nevada)
| A. sp. A (158153) |
Late/Upper Famennian | 365.2 - 358.86 | Russian Federation
| A. nimius (80103) |
Roadian | 274.4 - 266.9 | China (Hubei)
| A. sinensis (145987) |