Time interval |
Ma |
Country or state |
Original ID and collection number |
Warendian | 485.4 - 478.6 | Australia (Northern Territory)
| D. sp. A (77768) |
Rangerian | 470.0 - 470.3 | USA (Nevada)
| D. sp. (297 104452 104453) |
Middle Ordovician | 470.0 - 458.4 | USA (Kentucky)
| D. sp. (10745) |
Whiterockian - Blackriveran | 470.0 - 449.6 | USA (Minnesota)
| D. sp. (23547) |
Abereiddian | 468.0 - 461.1 | United Kingdom (Wales)
| Praeleda multidentata (232330) Praeleda subtilis (20699) |
Early/Lower Llanvirn | 468.0 - 461.1 | Norway (Trøndelag)
| D. sp. (191062) |
Oretanian | 468.0 - 459.0 | Spain (Toledo)
| D. sp. (20898 20899) |
Llanvirn | 468.0 - 458.4 | Ireland
| Praeleda sp. (381) |
Sarka | 466.0 - 466.0 | Czech Republic
| D. sp., Praeleda compar, Praeleda amica (3857) |
Letna - Harnagian | 460.9 - 457.2 | Czech Republic
| D. sp., Praeleda amica (3861) |
Dobrotivian | 459.0 - 457.9 | Spain (Toledo and Cuidad Real)
| D. sp. (20893) |
Dobrotivian | 459.0 - 457.9 | Portugal
| Praeleda sp. (20932 20933) |
Dobrotivian | 459.0 - 457.9 | Spain (Guadalajara)
| Praeleda minute sp. (194901 194902) |
Dobrotivian | 459.0 - 457.9 | Czech Republic
| D. sp., Praeleda amica (3859) |
Dobrotivian | 459.0 - 457.9 | France (Finistere)
| Praeleda sp. (20872) |
Dobrotivian - Berounian | 459.0 - 449.8 | France
| D. sp. (20846) |
Dobrotivian - Berounian | 459.0 - 449.8 | Portugal
| Praeleda sp. (20931) |
Soudleyan - Longvillian | 458.4 - 455.0 | United Kingdom (Northern Ireland)
| D. sp. (13840) |
Sandbian | 458.4 - 453.0 | Czech Republic
| D. sp. (3856) |
Gisbornian | 458.4 - 452.7 | Australia (Tasmania)
| D. banksi (79237) |
Caradoc | 458.4 - 449.5 | Poland
| D. sp. (233108) |
Berounian | 457.9 - 449.8 | France (Normandy)
| D. ciae (20837) |
Berounian - Caradoc | 457.9 - 449.5 | Portugal
| Praeleda sp. (20954) |
Bohdalec | 457.5 - 445.2 | Czech Republic
| D. sp. (3873) Praeleda compar, Praeleda amica (238012) |
Vinice - Late/Upper Ordovician | 457.5 - 443.8 | Czech Republic
| D. sp., Praeleda pulchra, Praeleda amica (3863) |
Zahorany - Late/Upper Ordovician | 457.5 - 443.8 | Czech Republic
| D. sp., Praeleda pulchra, Praeleda compar, Praeleda amica (3865) |
Mohawkian | 457.3 - 451.0 | USA (Tennessee)
| D. sp. (86093 86094 86110) |
Mohawkian | 457.3 - 451.0 | USA (Kentucky)
| D. sp. (85992 86000) |
Blackriveran | 457.3 - 449.6 | USA (Minnesota)
| D. sp. (23555 23556) |
Blackriveran | 457.3 - 449.6 | USA (Illinois, Iowa)
| D. sp. (23612 23614 23615 23617 23619 23620) |
Blackriveran - Rocklandian | 457.3 - 449.6 | USA (Minnesota)
| D. sp. (23557) |
Rocklandian - Shermanian | 457.3 - 449.6 | USA (Minnesota)
| D. sp. (23550) |
Shermanian | 457.3 - 449.6 | USA (Kentucky)
| D. hartsvillensis (87822) D. sp. (87813) |
Shermanian | 457.3 - 449.6 | USA (Minnesota, Illinois, Iowa)
| D. sp. (23552) |
Actonian - Onnian | 454.0 - 449.5 | United Kingdom (England)
| Praeleda sp. (3656 3657) |
Chatfieldian | 453.8 - 451.0 | Canada (Ontario)
| Ctenodonta scofieldi (26271) |
Chatfieldian | 453.8 - 451.0 | USA (Kentucky)
| D. perminuta (34559 34561) D. sp. (34546 34555 48791) D. sp., D. perminuta (34547) |
Katian | 453.0 - 445.2 | USA (New York)
| D. sp. (236743) |
Katian | 453.0 - 445.2 | USA (Kentucky)
| D. sp. (10752) |
Eastonian | 452.7 - 449.5 | Australia (Tasmania)
| D. banksi (79238) |
Maysvillian | 450.2 - 449.6 | USA (Ohio)
| D. sp. (72908) |
Maysvillian | 450.2 - 449.6 | USA (Indiana)
| D. sp. (376) |
Maysvillian - Richmondian | 450.2 - 445.5 | USA (Ohio)
| D. sp. (351) |
Kralodvorian - Rawtheyan | 449.8 - 445.2 | Czech Republic
| Praeleda compar, Praeleda amica (238013) |
Richmondian | 449.6 - 445.5 | USA (Kentucky)
| D. sp. (72853 73066 73107) |
Richmondian | 449.6 - 445.5 | USA (Ohio)
| D. albertina (27499) D. sp. (367 72554) |
Richmondian | 449.6 - 445.5 | USA (Indiana)
| D. sp. (361 72430 72473 72475 72481 72482 72483 72520) |
Ashgill | 449.5 - 443.7 | USA (Indiana)
| D. albertina (64230 64232) D. decipiens (64164) |
Ashgill | 449.5 - 443.7 | Norway (Trondheim)
| D. sp. (55724) |
Cautleyan - Ashgill | 449.2 - 443.7 | United Kingdom (Northern Ireland)
| D. apjohnni, D. regularis, D. semitruncata, D. subtruncata (13841) |
Rawtheyan | 448.8 - 445.2 | United Kingdom (Wales)
| D. sp. (8370) |
Hirnantian | 445.2 - 443.4 | China (Shaanxi)
| D. sp. (75542) |
Hirnantian | 445.2 - 443.4 | Czech Republic (Praha)
| Praeleda compar (149320) |
Hirnantian | 445.2 - 443.4 | China
| D. sp. (61386) |
Llandovery | 443.4 - 433.4 | USA (Ohio)
| D. sp. (448) |
Wenlock - Ludlow | 433.4 - 423.0 | Argentina
| D. elongata, D. subtrigonalis (25062) D. subtrigonalis (25061) D. subtrigonalis, D. elongata (25060) |
Pragian | 410.8 - 407.6 | Argentina (San Juan)
| D. jachalensis (3521) |
Emsian | 407.6 - 393.3 | Australia (New South Wales)
| D. clarkei (35557 35558) |