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Guichiella
Taxonomy
Guichiella was named by Li and Ding (1981) [Sepkoski's age data: Tr Olen-l Sepkoski's reference number: 524]. Its type is Guichiella angulata.
It was reranked as Claraia (Guichiella) by Chen and Komatsu (2002); it was synonymized subjectively with Claraia by Ros-Franch et al. (2014).
It was assigned to Pterioida by Sepkoski (2002); to Claraia by Chen and Komatsu (2002); and to Pterineidae by Li and Ding (1981), Fang et al. (2009).
It was reranked as Claraia (Guichiella) by Chen and Komatsu (2002); it was synonymized subjectively with Claraia by Ros-Franch et al. (2014).
It was assigned to Pterioida by Sepkoski (2002); to Claraia by Chen and Komatsu (2002); and to Pterineidae by Li and Ding (1981), Fang et al. (2009).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Guichiella Li and Ding p. 328 |
| 2002 | Claraia (Guichiella) Chen and Komatsu |
| 2002 | Guichiella Sepkoski |
| 2009 | Guichiella Fang 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. †Guichiella Li and Ding 1981
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†Guichiella angulata Li and Ding 1981
†Guichiella styliformis Li and Ding 1981
†Guichiella subrotunda Li and Ding 1981
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 14 | 7.46 | 2.80 | 15.5 | 7.00 | 4.19 |
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Changhsingian to the top of the Smithian or 254.14000 to 248.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guizhou) | G. angulata (117481) | |
| Griesbachian | China (Sichuan) | G. angulata (89357) | |
| Smithian | China (Anhui) | G. angulata (111493) G. angulata, G. styliformis, G. subrotunda (95656) |