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Watsonella
Taxonomy
Watsonella was named by Grabau (1900) [Sepkoski's age data: V N-Da Cm Atda Sepkoski's reference number: 1006]. Its type is Watsonella crosbyi. It is the type genus of Watsonellinae.
It was assigned to Helcionelloida by Wagner (1997); to Ribeirioida by Sepkoski (2002); to Watsonellinae by Parkhaev (2001), Parkhaev (2002), Bouchet et al. (2005); to Mollusca by Kouchinsky et al. (2017); and to Stenothecidae by Wagner (2023).
It was assigned to Helcionelloida by Wagner (1997); to Ribeirioida by Sepkoski (2002); to Watsonellinae by Parkhaev (2001), Parkhaev (2002), Bouchet et al. (2005); to Mollusca by Kouchinsky et al. (2017); and to Stenothecidae by Wagner (2023).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Watsonella Grabau |
| 1935 | Heraultia Cobbold p. 37 |
| 1976 | Heraultipegma Pojeta and Runnegar p. 47 |
| 1997 | Watsonella Wagner p. 123 fig. 3 |
| 1997 | Heraultipegma Wagner p. 124 fig. 3 |
| 2001 | Watsonella Parkhaev p. 187 |
| 2002 | Watsonella Parkhaev p. 36 |
| 2002 | Heraultipegma Sepkoski |
| 2002 | Watsonella Sepkoski |
| 2005 | Watsonella Bouchet et al. pp. 184, 241 |
| 2017 | Watsonella Kouchinsky et al. p. 343 |
| 2023 | Watsonella Wagner p. G1435 |
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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. †Watsonella Grabau 1900
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†Watsonella crosbyi Grabau 1900
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Invalid names: Heraultia varensalensis Cobbold 1935 [synonym], Watsonella sibirica Missarzhevsky 1974 [synonym], Watsonella yunnanensis He and Yang 1982 [synonym]
†Watsonella terranovica Matthew 1899
Invalid names: Heraultia Cobbold 1935 [synonym], Heraultipegma Pojeta and Runnegar 1976 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Stage 2 to the top of the Montezuman or 529.00000 to 515.30000 Ma
Collections (82 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | Russian Federation (Siberia) | Heraultipegma sp., Heraultipegma sibirica (50419) | |
| Nemakit-Daldynian - Tommotian | Russian Federation (Sakha) | Heraultipegma sp. (99229) | |
| Placentian | USA (Massachusetts) | W. crosbyi (56829) | |
| Meishucunian | China (Hubei) | Heraultipegma varensalensis (107636) | |
| Meishucunian | China (Yunnan) | Heraultipegma yunnanensis (96290 108309 108310 108311) W. crosbyi (108764 201523 201552 201556 201559 201561 201562 201564 201565 201574 201576 201577 201578 201579 201580 201581 201586 201587 201588 201590) | |
| Meishucunian | China (Shaanxi) | Heraultipegma sp. (107775) Heraultipegma varensalensis (107790) | |
| Meishucunian - Tommotian | China (Yunnan) | Heraultipegma yunnanensis (86664 96284 96285 96286 96287 96288 96289 96303) | |
| Stage 2 | France (Heraultia) | W. crosbyi (234355) | |
| Stage 2 | France (Herault) | W. crosbyi (239269 239438) | |
| Tommotian | Russian Federation | Heraultipegma sibirica (90089) | |
| Tommotian | Canada (Newfoundland and Labrador) | W. crosbyi (56958 56960 87109 87112 87322 87323 87324 87325 87327 87328 87330 87332 87334 87353 87355 87359 87361 87363 87364 87365) | |
| Tommotian | China (Shaanxi) | W. crosbyi (86665) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | W. crosbyi (233206) | |
| Tommotian | Russian Federation (Siberia) | Heraultipegma sibirica (50321) | |
| Tommotian | USA (Massachusetts) | W. crosbyi (56830) | |
| Tommotian | Saint Pierre and Miquelon | W. crosbyi (209143) | |
| Tommotian | Russian Federation (Yakutiya) | Heraultia sibirica (96251 96394) W. sibirica (80796 80809 80812) | |
| Tommotian | Russian Federation (Khabarovsk Krai) | Heraultipegma sibirica (50314 50420) | |
| Tommotian | China (Yunnan) | W. yunnanensis (49683) | |
| Tommotian | Russian Federation (Sakha) | W. crosbyi (233167 233169) | |
| Tommotian - Atdabanian | Canada (Nova Scotia) | W. terranovica (6897) | |
| Montezuman | USA (Nevada) | W. sp. (10551) | |
| Botomian | Australia (South Australia) | W. crosbyi (97700 97701 97717) |