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Paradoxipecten
Taxonomy
Paradoxipecten was named by Zhang (1981) [Sepkoski's age data: P Djhu P Dora Sepkoski's reference number: 524]. Its type is Paradoxipecten jiaheensis.
It was assigned to Pterioida by Sepkoski (2002); and to Aviculopectinidae by Zhang (1981), Fang (1987) and Fang et al. (2009).
It was assigned to Pterioida by Sepkoski (2002); and to Aviculopectinidae by Zhang (1981), Fang (1987) and Fang et al. (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Paradoxipecten Zhang |
| 1987 | Paradoxipecten Fang p. 373 |
| 2002 | Paradoxipecten Sepkoski |
| 2009 | Paradoxipecten 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. †Paradoxipecten Zhang 1981
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†Paradoxipecten dalongensis Yin 1983
†Paradoxipecten flabelliformis Fang 1987
†Paradoxipecten jiaheensis Zhang 1981
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Invalid names: Etheripecten subquadratus Zhang 1981 [synonym], Paradoxipecten rarocostatus Zhang 1981 [synonym]
†Paradoxipecten latisinus Yin 1983
†Paradoxipecten longispinus Yin 1983
†Paradoxipecten opisthoclinus Zhang 1981
†Paradoxipecten trigonalis Feng et al. 1992
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 20 | 18.0 | 5.83 | 41.1 | 21.3 | 10.1 |
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.90000 to 252.17000 Ma
Collections (26 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | China (Guangdong) | P. jiaheensis (113864) | |
| Wuchiapingian | China (Hunan) | P. jiaheensis (107816 107824 107826) P. jiaheensis, P. flabelliformis (97261 101951) P. jiaheensis, P. flabelliformis, P. opisthoclinus (107820) P. jiaheensis, P. rarocostatus, Etheripecten subquadratus, P. opisthoclinus (121731) | |
| Wuchiapingian | China (Sichuan) | P. longispinus (121415) | |
| Changhsingian | China (Anhui) | P. dalongensis (121432) | |
| Changhsingian | China (Guangxi) | Etheripecten subquadratus, P. opisthoclinus (149214) | |
| Changhsingian | China (Yunnan) | P. trigonalis (108196) | |
| Changhsingian | China (Fujian) | P. dalongensis (95483 95489 95492 95493 95507 121405 121407) P. flabelliformis (95486) P. latisinus (121429) P. longispinus (121404) P. opisthoclinus (95509) P. sp. (95491 95498 120148) |