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Richardsonoceras
Taxonomy
Richardsonoceras was named by Foerste (1932) [Sepkoski's age data: O Llvi S Ludl-u Sepkoski's reference number: 524,1066].
It was assigned to Oncoceratida by Sepkoski (2002); and to Oncoceratidae by Teichert et al. (1964), Crick (1981) and Kröger et al. (2009).
It was assigned to Oncoceratida by Sepkoski (2002); and to Oncoceratidae by Teichert et al. (1964), Crick (1981) and Kröger et al. (2009).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Richardsonoceras Foerste p. 50 |
| 1964 | Richardsonoceras Teichert et al. p. 288 |
| 1981 | Richardsonoceras Crick p. 229 |
| 2002 | Richardsonoceras Sepkoski |
| 2009 | Richardsonoceras Kröger et al. |
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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. †Richardsonoceras Foerste 1932
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†Richardsonoceras gastroscopium Kröger et al. 2009
†Richardsonoceras gerhardi Kröger et al. 2009
†Richardsonoceras goldmanni Kröger et al. 2009
†Richardsonoceras haelluddenense Kröger et al. 2009
†Richardsonoceras sinuososeptatum Roemer 1861
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Invalid names: Beloitoceras heterocurvatum Strand 1934 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Llanvirn to the top of the Hirnantian or 468.00000 to 443.40000 Ma
Collections (41 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | China (Hubei) | R. sp. (4717) | |
| Arenig | China (XinJiang) | R. sp. (20806) | |
| Hunderum - Valaste | Sweden (Kalmar) | R. gastroscopium (89251 89252 89253 89254) R. gastroscopium, R. gerhardi, R. goldmanni (89250) R. gastroscopium, R. gerhardi, R. goldmanni, R. haelluddenense (89246) | |
| Early/Lower Llanvirn | China (Hubei) | R. sp. (4713) | |
| Aseri | Estonia (Harju) | R. goldmanni (89245) | |
| Lasnamagi | Sweden (Kalmar) | R. gerhardi (89255) | |
| Llandeilo | China (Hunan) | R. sp. (7690) | |
| Llandeilo | China (ShanXi) | R. sp. (8008 8010) | |
| Llandeilo - Caradoc | China (Gansu) | R. sp. (20762) | |
| Costonian - Harnagian | China (ShanXi) | R. sp. (8009) | |
| Harnagian - Longvillian | China (Guizhou) | R. sp. (7336) | |
| Soudleyan - Longvillian | China (Sichuan) | R. sp. (5340) | |
| Soudleyan - Longvillian | China (Guizhou) | R. sp. (5140) | |
| Soudleyan - Marshbrookian | China (Guizhou) | R. sp. (4745) | |
| Soudleyan - Marshbrookian | China (JiangSu) | R. sp. (7943) | |
| Soudleyan - Marshbrookian | China (GanSu) | R. sp. (8550) | |
| Harnagian - Actonian | China (Sichuan) | R. sp. (7656) | |
| Caradoc | China (XinJiang) | R. sp. (20802) | |
| Turinian | Canada (Quebec) | R. sp. (174157) | |
| Blackriveran | USA (Illinois, Iowa, Wisconsin) | R. simplex, R. beloitense, R. romingeri, R. clarkei, R. scofieldi (23756 23758) R. simplex, R. beloitense, R. romingeri, R. scofieldi, R. clarkei (23757) | |
| Blackriveran - Rocklandian | USA (Minnesota) | R. simplex, R. beloitense, R. romingeri, R. clarkei, R. scofieldi (23691) | |
| Wildernessian | Canada (Nunavut) | R. sp. (101983) | |
| Wildernessian | Canada (Northwest Territories) | R. beloitense (26944) | |
| Longvillian - Marshbrookian | China (Hunan) | R. sp. (7689) | |
| Longvillian - Marshbrookian | China (Sichuan) | R. sp. (5339) | |
| Katian | Sweden (Dalarna) | Beloitoceras sinuososeptatum (124939) | |
| Edenian - Maysvillian | Canada (Northwest Territories) | R. sp. (26943) | |
| Vormsi | Estonia (Viljandi) | Beloitoceras heterocurvatum (164230) | |
| Pirgu | Norway (Oslo) | Beloitoceras heterocurvatum (164225) | |
| Pirgu | Norway (Ringerike) | Beloitoceras heterocurvatum (162233 162234) | |
| Pirgu - Hirnantian | Sweden (Dalarne) | Beloitoceras sinuososeptatum (73466) | |
| Hirnantian | Sweden (Dalarna) | Beloitoceras heterocurvatum (101023) |