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Tiramnia
Taxonomy
Tiramnia was named by Grunt (1977) [Sepkoski's age data: C Bash-l P Wc Sepkoski's reference number: 538,1200].
It was assigned to Spiriferida by Sepkoski (2002); and to Martiniinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Martiniinae by Williams et al. (2006).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Tiramnia Grunt p. 64 |
| 2002 | Tiramnia Sepkoski |
| 2006 | Tiramnia Williams et al. p. 1750 |
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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. †Tiramnia Grunt 1977
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†Tiramnia canadica Shi and Waterhouse 1996
†Tiramnia greenlandica Dunbar 1955
†Tiramnia semiglobosa Tschernyschew 1902
†Tiramnia tschaikensis Grunt 1977
†Tiramnia tschakobaica Grunt 1973
†Tiramnia tschernyschewi Grunt 1973
†Tiramnia tschusovensis Kalashnikov 1998
†Tiramnia uralica Tschernyschew 1902
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 16.3 | 11.0 | 28.5 | 16.0 | 5.04 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Moscovian to the top of the Changhsingian or 315.20000 to 252.17000 Ma
Collections (53 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bashkirian - Moscovian | Canada (Nunavut) | T. walteri (62647) T. walteri, T. grunti (62697) | |
| Moscovian | Canada (Nunavut) | T. walteri, T. grunti (62696) | |
| Asselian | China (Jilin) | Martinia uralica (150446) | |
| Asselian | Russian Federation | T. tschusovensis (89383) T. uralica (86027 110194) | |
| Sakmarian | China (Guangxi) | Martinia uralica (134321) | |
| Sakmarian | Russian Federation | T. semiglobosa (97375) T. uralica (110167) | |
| Sakmarian | Canada (Yukon) | T. canadica (117168 117709 117723 117724 117727 117729 117733 117737 117741) | |
| Sakmarian | Tajikistan | Martinia uralica (100332) | |
| Sakmarian | Svalbard and Jan Mayen | Martinia semiglobosa (212501) | |
| Artinskian | Tajikistan | Martinia tschernyschewi (109461 109463 109468 109472) | |
| Artinskian | Canada (Yukon) | Martinia sp. (117706) T. canadica (117708 117726 117750) | |
| Artinskian | Russian Federation | T. yakutica (172395) | |
| Kungurian | Tajikistan | Martinia tschakobaica (109464) Martinia tschernyschewi, Martinia tschakobaica (88697) | |
| Kungurian | USA (Oregon) | Pseudomartinia semiglobosa (40961 40969 41244 129203 129204) | |
| Kungurian | Mongolia | T. greenlandica (116252 116254) | |
| Kungurian - Roadian | Oman | T. semiglobosa (166924) | |
| Roadian | USA (Alaska) | Martinia greenlandica (102560) | |
| Roadian - Wordian | China (Xinjiang) | Martinia uralica (123274) | |
| Wordian | Pakistan | Martinia semiglobosa (125814) T. tschernyschewi (50724) T. tscheryschewi (50725) | |
| Wuchiapingian | Greenland | Martinia greenlandica (107364 107520 107521 107530 107536 107548) | |
| Changhsingian | Greenland | Martinia greenlandica (112727 112734) |