| Time interval |
Ma |
Country or state |
Original ID and collection number |
| Llandovery | 443.1 - 432.9 | USA (Nevada)
| Atrypella sp. (467) |
| Llandovery - Wenlock | 443.1 - 426.7 | Russian Federation
| A. subrecta (23748) |
| Llandovery - Wenlock | 443.1 - 426.7 | Canada (Northwest Territories)
| A. linguata (26041) |
| Silurian | 443.1 - 419.62 | USA (Alaska)
| Atrypella scheii (109019 109020) Atrypella sp. (108321) Atrypella tenuis, Atrypella borealis (109016) |
| Silurian | 443.1 - 419.62 | Canada (Northwest Territories)
| Atrypella phoca, Atrypella sp., Atrypella scheii (25648) Atrypella scheii (25553) |
| Silurian | 443.1 - 419.62 | Canada (Nunavut)
| Atrypella phoca (101986) |
| Aeronian | 440.5 - 438.6 | Czechia
| A. sp. (14087) |
| Telychian | 438.6 - 432.9 | China (Shaanxi)
| A. lentiformis (23249) |
| Telychian | 438.6 - 432.9 | China (Sichuan)
| A. sp. (23253 27908) |
| Telychian | 438.6 - 432.9 | USA (Iowa)
| A. sp. (24963) |
| Telychian | 438.6 - 432.9 | Canada (Ontario)
| A. lentiformis (77328) A. praelingulata (77332) |
| Telychian - Sheinwoodian | 438.6 - 430.6 | USA (Iowa)
| A. sp. (26769) |
| Wenlock | 432.9 - 426.7 | Greenland
| Atrypella phoca (188490) |
| Wenlock | 432.9 - 426.7 | USA (Iowa)
| A. sp. (26702) |
| Wenlock | 432.9 - 426.7 | Australia (Australian Capital Territory)
| A. sp. (25679) |
| Wenlock | 432.9 - 426.7 | Australia (Australian Capital Territories)
| Atrypella sp. (25691) |
| Wenlock | 432.9 - 426.7 | Russian Federation
| A. camelina (24744) A. elongata, Lissatrypella kusvensis, A. linguata (24749) |
| Wenlock | 432.9 - 426.7 | Canada (Northwest Territories)
| Atrypella scrocki, Atrypella borealis (188803) A. linguata (26059) |
| Wenlock - Ludlow | 432.9 - 422.7 | China (Xinjiang)
| A. minuta (27767) |
| Wenlock - Ludlow | 432.9 - 422.7 | Canada (Nunavut)
| Atrypella sp. (111650) |
| Wenlock - Ludlow | 432.9 - 422.7 | Greenland
| Atrypella sp. (188491) |
| Wenlock - Ludlow | 432.9 - 422.7 | Canada (Northwest Territories)
| Atrypella borealis (188821 188832) Atrypella scheii (188794 188801 188806 188808 188853 188862 188863 188867) Atrypella scheii, Atrypella borealis (188804) Atrypella schrocki, Atrypella scheii (188789) Atrypella shrocki (188816) Atrypella shrocki, Atrypella borealis (188817) Atrypella shrocki, Atrypella scheii, Atrypella borealis (188810) Atrypella shrocki, Atrypella scheii, Atrypella tenuis (188855) Atrypella shrocki, Atrypella scheii, Atrypella tenuis, Atrypella borealis (188869) Atrypella shrocki, Atrypella sp. A, Atrypella scheii, Atrypella tenuis, Atrypella borealis (188811) Atrypella shrocki, Atrypella sp., Atrypella scheii (188792) Atrypella sp. (188788 188791 188800 188805 188819 188836 188850) Atrypella sp. A, Atrypella scheii (188854) Atrypella sp., Atrypella scheii (188807 188809) |
| Wenlock - Ludlow | 432.9 - 422.7 | China (Sichuan)
| A. columbella (27805) |
| Wenlock - Ludlow | 432.9 - 422.7 | USA (Alaska)
| A. sp. (79358) |
| Wenlock - Pridoli | 432.9 - 419.62 | USA (Nevada)
| A. sp. (24853) |
| Wenlock - Pridoli | 432.9 - 419.62 | USA (California)
| Atrypella scheii, Cranaena sp., Newberria sp. (214346) |
| Homerian | 430.6 - 426.7 | Czechia
| A. modesta (14054) |
| Homerian - Gorstian | 430.6 - 425.0 | Australia (Australian Capital Territory)
| A. sp. (25684) |
| Gorstian | 426.7 - 425.0 | Czechia
| A. linguata (14106 14107) A. renitens (14056 14105) |
| Gorstian | 426.7 - 425.0 | Lithuania
| Atrypella phoca (192548) |
| Gorstian - Ludfordian | 426.7 - 422.7 | Czechia
| A. linguata (14066) |
| Ludlow | 426.7 - 422.7 | Australia (New South Wales)
| A. sp. (25647) |
| Ludlow | 426.7 - 422.7 | Kazakhstan
| A. sp. (24689) |
| Ludlow | 426.7 - 422.7 | China (Yunnan)
| A. inflata (27796) A. qujingensis (25742 64821) A. sp. (27771 64823) |
| Ludlow | 426.7 - 422.7 | Canada (Northwest Territories)
| Atrypella phoca (188871) Atrypella scheii (188872 188901) Atrypella shrocki, Atrypella scheii (188899) Atrypella sp. (188875 188878) |
| Ludlow | 426.7 - 422.7 | Canada (Nunavut)
| A. sp. (23082 119859 119860 119861 119862) |
| Ludlow | 426.7 - 422.7 | USA (Nevada)
| Atrypella sp. (204035 227120) |
| Ludlow | 426.7 - 422.7 | Russian Federation
| A. camelina (23765 24772) A. camelina, Lissatrypella kuschvensis (23760 23763) A. renitens (24748) A. sp. (23638 23696 23774) Lissatrypella kuschvensis, A. linguata (24691) |
| Ludlow | 426.7 - 422.7 | Lithuania
| A. phoca (206826) A. sp. (13772) |
| Ludlow | 426.7 - 422.7 | Mongolia
| A. minzhini (41069) |
| Ludlow | 426.7 - 422.7 | USA (California)
| Atrypella scheii (229581) Atrypella sp. (79735) Atrypella tenuis (79733 79734 229580) A. sp. (24803) |
| Ludlow - Pridoli | 426.7 - 419.62 | China (Nei Mongol)
| A. sp. (25819 27903) |
| Ludlow - Pridoli | 426.7 - 419.62 | Tajikistan
| Atrypella columbella, Atrypella camelina, Atrypella linguata (13976) |
| Ludlow - Pridoli | 426.7 - 419.62 | China (Yunnan)
| A. inflata (25825 25827) A. qujingensis, A. dorsoconvexa, A. sp. (25740) |
| Ludlow - Pridoli | 426.7 - 419.62 | Canada (Nunavut)
| A. bioherma, A. foxi (24788) |
| Ludlow - Pridoli | 426.7 - 419.62 | Lithuania
| A. phoca (13759 26291) |
| Ludfordian | 425.0 - 422.7 | Lithuania
| Atrypella phoca (192615) A. phoca (206822) |
| Ludfordian | 425.0 - 422.7 | Australia (New South Wales)
| A. sp. (25634 25635) |
| Ludfordian | 425.0 - 422.7 | Czechia
| A. linguata (14057 14067 14156) A. modesta (14068 14110 14111) A. sp., A. linguata (14072) |
| Pridoli | 422.7 - 419.62 | Canada (Nunavut)
| Atrypella foxi (26407) |
| Pridoli | 422.7 - 419.62 | Canada (Yukon)
| Atrypella sp. (14001) Atrypella tenuis (14004) |
| Pridoli | 422.7 - 419.62 | Canada (Northwest Territories)
| Atrypella sp. (498) |
| Pridoli | 422.7 - 419.62 | Ukraine
| Atrypella phoca (13873) A. gigantus (23359 23438) |
| Pridoli | 422.7 - 419.62 | Belarus
| A. phoca (23672) |
| Pridoli | 422.7 - 419.62 | Canada (Yukon Territory)
| Atrypella sp. (26657) |
| Pridoli | 422.7 - 419.62 | Tajikistan
| Atrypella columebella, Atrypella linguata, Atrypella scheii (13977) |
| Pridoli | 422.7 - 419.62 | Czechia
| A. columbella (14060 14114) A. sp. (14045 14073 14130) |
| Pridoli | 422.7 - 419.62 | USA (Nevada)
| Atrypella sp. (180184 180186 240792) Atrypella sp. E (180183 180844) |
| Pridoli | 422.7 - 419.62 | Russian Federation
| Atrypella libumella, Atrypella linguata (13956) Atrypella linguata (13962) Atrypella linguata, Atrypella camelina (13961) Atrypella uralica, Atrypella gigas, Atrypella kuschvensis, Atrypella camelina (13958) A. camelina (24745 24751) A. globa (24746) A. phoca (23643) A. phoca, A. kushvensis (23640) A. uralica, A. camelina, A. linguata (24740) Lissatrypella kuschvensis (24766) |
| Pridoli | 422.7 - 419.62 | Lithuania
| Atrypella phoca (192558 192565) |
| Lochkovian | 419.62 - 413.02 | Czechia
| A. sp. (14119) |
| Lochkovian | 419.62 - 413.02 | Tajikistan
| Atrypella scheii (13979 13980) |
| Lochkovian | 419.62 - 413.02 | Russian Federation
| Atrypella columbella (13959) |
| Pragian | 413.02 - 410.62 | USA (Alaska)
| Atrypella scheii (109022) |