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Chaoiella
Taxonomy
Chaoiella is a genus. It is not extant.
It was assigned to Dictyoclostinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); to Dictyoclostini by Williams et al. (2007); and to Chaoiellini by Lazarev (2011).
It was assigned to Dictyoclostinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); to Dictyoclostini by Williams et al. (2007); and to Chaoiellini by Lazarev (2011).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Chaoiella Williams et al. p. 489 |
| 2002 | Chaoiella Sepkoski |
| 2007 | Chaoiella Williams et al. p. 2646 |
| 2011 | Chaoiella Lazarev p. 27 |
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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. †Chaoiella
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†Chaoiella geniculata Gobbett 1964
†Chaoiella gruenewaldti Krotov 1888
†Chaoiella taiyuanfuensis Chao 1927
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Invalid names: Dictyoclostus loczyi Nakamura 1960 [synonym]
†Chaoiella ustritskyi Chen and Shi 2006
†Chaoiella volkovi Fredericks 1926
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 20.1 | 15.2 | 26.5 | 20.9 | 7.99 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Gzhelian to the top of the Wuchiapingian or 303.70000 to 254.14000 Ma
Collections (48 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carboniferous | USA (Alaska) | Productus gruenewaldti (111703) | |
| Pennsylvanian | USA (Alaska) | Productus gruenewaldti (111915) | |
| Pennsylvanian - Asselian | China (Xizang) | C. grunwaldti (61391 61393) | |
| Gzhelian | China (Guangxi) | C. sp., C. gruenewaldti (134310) | |
| Asselian | China (Jilin) | Dictyoclostus gruenewaldti (150446) | |
| Asselian | China (Guizhou) | C. gruenewaldti (111943) | |
| Asselian | USA (Alaska) | Productus gruenewaldti (109345) | |
| Asselian | China (Guangxi) | C. gruenewaldti (134312 134316) C. sp. (134318) | |
| Asselian | Thailand | C. sp. (120945) | |
| Asselian - Sakmarian | China (Xinjiang) | Productus gruenewaldti (119867) | |
| Asselian - Sakmarian | Laos | Productus gruenewaldti (233571) | |
| Permian | USA (Alaska) | Productus gruenewaldti (112191 112193 112195 112196 112203 112205 112219 112223) | |
| Sakmarian | Canada (Yukon) | C. sp. (117710 117760) | |
| Sakmarian | China (Guangxi) | C. sp. (134324) | |
| Sakmarian | Canada (Nunavut) | C. sp. (107937) | |
| Sakmarian | Russian Federation | C. geniculata (110110) | |
| Artinskian | China (Xinjiang) | C. ustritskyi (62701 62702 62716 62719 62720) | |
| Artinskian | Russian Federation | C. gruenewaldti (106066 106067 106068) | |
| Artinskian | Canada (Yukon) | C. sp. (117706 117708) | |
| Artinskian | Svalbard and Jan Mayen | Dictyoclostus gruenewaldti (212503) | |
| Artinskian - Capitanian | Laos | Productus gruenewaldti (233573) | |
| Kungurian | Pakistan | C. sp. (50679 50680) | |
| Kungurian | Japan | C. taiyuanfuensis (167888) Dictyoclostus loczyi, Dictyoclostus gruenewaldti (114091) | |
| Roadian | Canada (Yukon) | C. sp. (10268) | |
| Roadian | China (Xinjiang) | C. gruenewaldti (123272) | |
| Wordian | USA (Alaska) | Productus gruenewaldti (109334 112228) | |
| Wuchiapingian | Pakistan | Productus gruenewaldti (125926) |