Time interval |
Ma |
Country or state |
Original ID and collection number |
Amgan - Mayan | 508.2 - 499.5 | Russian Federation (Leningrad Oblast)
| W. bicuspidate, W. moessebergensis, W. fossa (235438) |
Amgan - Menevian | 508.2 - 499.5 | USA (Alaska)
| W. spp. (8585 8586 8587) |
Menevian | 504.5 - 499.5 | Denmark (Bornholm)
| W. tricuspidata (50768 75944) |
Guzhangian | 500.5 - 497.0 | China (Hunan)
| W. elegans (49189) W. elegans, W. matsushitai, W. grandidens (49188) W. elegans, W. sp. (49185) W. tetragonia, W. elegans, W. sp. (49186) |
Guzhangian | 500.5 - 497.0 | China (Hebei)
| W. matsushitai, W. moessebergensis (129584 129585) W. tricuspidata, W. muelleri (129587) W. tricuspidata, W. sp. (129589) |
Ayusokkanian - Aksaian | 499.5 - 491.5 | Russian Federation (Leningrad Oblast)
| W. ficuspidata, W. fossa, W. bicuspidata (235439) |
Paibian | 497.0 - 494.2 | China (Hunan)
| W. bicuspidata (49194 49195) |
Franconian | 497.0 - 486.85 | Canada (Newfoundland and Labrador)
| W. polymorpha, W. tricuspidata, W. bicuspidata (90968) |
Franconian | 497.0 - 486.85 | USA (Montana)
| W. bicuspidata (137830) W. sp. (247) |
Furongian | 497.0 - 486.85 | Norway (Oslo-Asker)
| W. polymorpha, W. ligula (204483 204485) W. sp., W. polymorpha (204481) |
Furongian | 497.0 - 486.85 | Sweden
| W. amplicava, W. asinina, W. bohlini, W. ligula, W. polymorpha, W. procera, W. bicuspidata (203761) W. bohlini, W. procera, W. bicuspidata (203759) W. bohlini, W. procera, W. prominens (203758) W. ligula, W. polymorpha (203757) |
Furongian | 497.0 - 486.85 | Russian Federation (Gorny Altai)
| W. sp. (203913) |
Furongian | 497.0 - 486.85 | South Korea
| W. bicuspidata (203754) |
Furongian | 497.0 - 486.85 | Estonia
| W. bicuspidata (191668) |
Merioneth | 497.0 - 486.85 | USA (Vermont)
| W. bicuspidata (6870) W. spp. (6871) |
Taoyuanian | 495.2 - 486.85 | China (Hebei)
| W. matsushitai, W. bicuspidata (129596) W. sp. (129616) |
Jiangshanian - Stage 10 | 494.2 - 486.85 | Sweden
| W. bohlini, W. bicuspidata (203756) |
Aksaian - Batyrbaian | 492.8 - 486.85 | Russian Federation (Leningrad Oblast)
| W. bicuspidata (235437) |
Batyrbaian | 491.5 - 486.85 | Russian Federation (Siberia)
| W. sp. (205625) |
Niuchehean | 491.0 - 486.85 | China (Hebei)
| W. bicuspidata (129619) |
Niuchehean | 491.0 - 486.85 | China (Jilin)
| W. amplicava, W. bicuspidata (156903) |
Stage 10 | 491.0 - 486.85 | Sweden
| W. amplicava, W. calix, W. procera, W. spp., W. prominens (203760) |
Trempealeauan | 490.2 - 486.85 | Canada (Newfoundland and Labrador)
| W. bicuspidata (203839) |
Pakerort | 486.85 - 483.8 | Estonia
| W. sp. (204470 204471) |
Tremadoc | 486.4 - 477.1 | Canada (British Columbia)
| W. sp. (203831) |
Arenig | 477.1 - 468.0 | China (Hubei)
| W. sp. (4709 4720 4721) |
Early/Lower Llanvirn | 468.0 - 461.1 | China (Hubei)
| W. sp. (4713) |