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Aurikirkbya ventrocallosa
Taxonomy
Aurikirkbya ventrocallosa was named by Becker and Wang (1992). Its type specimen is NIGP 115695, a valve (left valve), and it is a 3D body fossil. Its type locality is Beichuan, sample ACF1-275, which is in a Wuchiapingian carbonate limestone in the Wujiaping Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Aurikirkbya ventrocallosa Becker and Wang p. 21 figs. Pl 5, figs 4,5 |
| 2018 | Aurikirkbya ventrocallosa Tanaka p. 10 figs. 5A-D |
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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.
†Aurikirkbya ventrocallosa Becker and Wang 1992
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 0.609 | 0.570 | 0.650 | 0.610 | 0.057 |
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||
Age range: base of the Sakmarian to the top of the Wuchiapingian or 293.52000 to 254.14000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Japan | Aurikirkbya ventrocallosa (197662) | |
| Wuchiapingian | China (Sichuan) | Aurikirkbya ventrocallosa (type locality: 143434) |