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Shwedagonia
Taxonomy
Shwedagonia was named by Batten (1956) [Sepkoski's age data: P Asse P Guad-l Sepkoski's reference number: 109,797]. It is not extant.
It was assigned to Ptychomphalides by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Glabrocingulides by Wagner (2023).
It was assigned to Ptychomphalides by Knight et al. (1960); to Archaeogastropoda by Sepkoski (2002); and to Glabrocingulides by Wagner (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Shwedagonia Batten |
| 1960 | Shwedagonia Knight et al. p. 204 |
| 2002 | Shwedagonia Sepkoski |
| 2023 | Shwedagonia Wagner p. G1094 |
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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. †Shwedagonia Batten 1956
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†Shwedagonia collabra Batten 1972
†Shwedagonia elegans Batten 1956
†Shwedagonia korolukae Mazaev 2019
†Shwedagonia mariana Gemmellaro 1889
†Shwedagonia orientalis Pan 1985
†Shwedagonia pagoda Mazaev 2019
†Shwedagonia wongi Grabau 1936
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 48 | 11.7 | 4.48 | 29.0 | 11.2 | 6.24 | |
| shell diameter | 48 | 10.7 | 4.78 | 27.0 | 10.9 | 5.14 |
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: base of the Kashirian to the top of the Capitanian or 313.80000 to 259.51000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kashirian - Myachkovian | USA (New Mexico) | S. sp. (46548) | |
| Asselian | Russian Federation (Bashkortostan) | S. korolukae (220885) S. pagoda (202158 204134) | |
| Asselian | USA (Texas) | S. elegans (43482) | |
| Artinskian | China (Guangxi) | S. orientalis (88714) | |
| Kungurian | USA (Texas) | S. elegans (43491 43492 43495 43496 43504 43510 43513 43515 43517 43560 43582 81644 81942 81949) | |
| Kungurian | Malaysia (Perak) | S. collabra (62131) | |
| Roadian | USA (Texas) | S. elegans (43512 43553 81640 81693 101767) | |
| Wordian | Italy | Pleurotomaria mariani (108566 108567 108672 108675 233340) | |
| Capitanian | USA (Texas) | S. elegans (75969) | |
| Capitanian | Japan | S. collabra (109667) | |
| Wuchiapingian - Changhsingian | China (Sichuan) | S. orientalis (110088) |