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Holtedahlina
Taxonomy
Holtedahlina was named by Foerste (1924) [Sepkoski Age: O (Cara-m) S (Ldov-l)]. Its type is Leptaena sulcata.
It was assigned to Orthotetinae by Oraspold (1956); to Strophomenida by Sepkoski (2002); and to Strophomeninae by Williams et al. (2000), Roomusoks (2004).
It was assigned to Orthotetinae by Oraspold (1956); to Strophomenida by Sepkoski (2002); and to Strophomeninae by Williams et al. (2000), Roomusoks (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Holtedahlina Foerste pp. 122 - 123 |
| 1956 | Holtedahlina Oraspold |
| 2000 | Holtedahlina Williams et al. p. 224 |
| 2002 | Holtedahlina Sepkoski |
| 2004 | Holtedahlina Roomusoks |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Holtedahlina Foerste 1924
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†Holtedahlina moensis Roomusoks 2004
†Holtedahlina orientalis Popov and Cocks 2006
†Holtedahlina paraprostrata Jin and Zhan 2001
†Holtedahlina rakverensis Oraspold 1956
†Holtedahlina sakuensis Oraspold 1956
†Holtedahlina sinica Zhan and Cocks 1998
†Holtedahlina subtilis Roomusoks 2004
†Holtedahlina suedica Cocks 2005
†Holtedahlina sulcata Hall and Clarke 1892
†Holtedahlina sulcata moniquensis Foerste 1924
†Holtedahlina varsensis Foerste 1924
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: base of the Eastonian to the top of the Hirnantian or 452.30000 to 443.10000 Ma
Collections (104 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Ordovician | USA (Ohio) | H. sulcata (77970) | |
| Blackriveran - Rocklandian | Canada (Northwest Territories) | H. sp. (24634) | |
| Rocklandian - Kirkfieldian | Canada (Northwest Territories) | H. sulcata (24635) | |
| Oandu | Lithuania | H. sakuensis (195476 207212) | |
| Oandu | Belarus | H. sakuensis (192883) | |
| Oandu | Estonia | H. sakuensis (166062 168553 168713 168766) | |
| Oandu | Latvia | H. sakuensis (207213) | |
| Katian | Kazakhstan | H. orientalis (204073 204076 204091 204092) | |
| Katian | USA (Alaska) | H. sp. (223863) | |
| Katian - Hirnantian | Sweden (Dalarne) | H. suedica (73413) | |
| Eastonian | Australia (New South Wales) | H. sp. (2699) | |
| Rakvere | Estonia (Lääne-Viru) | H. rakverensis (168687) | |
| Rakvere | Estonia | H. rakverensis (161316 168689) | |
| Rakvere | Estonia (Lääne-Virumaa) | H. rakverensis (155682) | |
| Edenian | USA (Ohio) | H. sulcata (349) | |
| Edenian | Canada (Northwest Territories) | H. sulcata (24636 192139) | |
| Edenian - Maysvillian | Canada (Northwest Territories) | H. sulcata (192143) | |
| Nabala | Estonia (Harju) | H. subtilis (87297) | |
| Nabala | Estonia (Viiruma) | H. subtilis (168791) | |
| Nabala | Estonia | H. rakverensis (168647) H. subtilis (161312) | |
| Maysvillian - Richmondian | USA (Ohio) | H. sulcata (351) | |
| Richmondian | Canada (Ontario) | H. sulcata (173116 173131 173136 173188) H. varsensis (173251) | |
| Richmondian | USA (Indiana) | H. sp. (373 377) H. sulcata (64165 72442 72455 72456 72457 72461 72462 72464 72466 72467 72514 72516 72524 73091 73092) | |
| Richmondian | USA (Kentucky) | H. sulcata (64166 64167 72686 72687 72690 73111) | |
| Richmondian | Canada (Manitoba) | H. paraprostrata (166415) | |
| Richmondian | USA (Ohio) | H. sulcata (72568 72569 72572 72589 72590 72614 72628 72632 72633 72634 72635 72636 72863 72867 72868 72869 72943 72947 72948 72949 72950 72951 72952 72953) | |
| Richmondian | USA (Michigan) | H. sulcata (173247) | |
| Richmondian - Gamachian | Canada (Quebec) | H. sulcata (37469 37790) | |
| Pirgu | Estonia | H. moensis (161213) | |
| Ashgill | Russian Federation (Taimyr) | H. sp. (37638) | |
| Ashgill | Canada (Quebec) | H. sp. (11568 11690 11706 12061) | |
| Ashgill | China (Jiangxi) | H. sinica (186235 186236 186239 186250 186251 186272) | |
| Pirgu - Porkuni | Sweden (Dalarne) | H. suedica (73407) | |
| Ashgill - Llandovery | Canada (Québec) | H. sp. (24454) | |
| Cautleyan | Kazakhstan (Central) | H. sp. (52737) | |
| Hirnantian | Argentina | H. sp. (8890) | |
| Hirnantian | United Kingdom (Wales) | H. sp. (8385) |