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Kepingia
Taxonomy
Kepingia was named by Wang and Yang (1998). It is not extant. Its type is Costiferina pumilus.
It was assigned to Productidae by Chen and Shi (2006); and to Productininae by Shen et al. (2017).
It was assigned to Productidae by Chen and Shi (2006); and to Productininae by Shen et al. (2017).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Kepingia Wang and Yang |
| 2000 | Tarimoplecta Chen and Shi p. 336 |
| 2006 | Kepingia Chen and Shi p. 153 |
| 2007 | Tarimoplecta Williams et al. p. 2646 |
| 2017 | Kepingia Shen et al. p. 710 |
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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. †Kepingia Wang and Yang 1998
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†Kepingia davangouensis Wang and Yang 1998
†Kepingia pumilus Wang and Yang 1993
†Kepingia regularis Wang and Yang 1998
†Kepingia subashiensis Wang and Yang 1998
†Kepingia tarimensis Chen and Shi 2000
Invalid names: Tarimoplecta Chen and Shi 2000 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Z. Q. Chen and G. R. Shi 2000 (Tarimoplecta) | Medium-sized Liraplectini; ventral trail long, moderately curved; dorsal disc semicircular, lateral margins converging anteriorly; corpus cavity deep. Costae on ventral trail coarse, rarely bifurcate; dorsal anterior margin finely capillated. Ventral adductor scars elongate, ridge-shaped. Cardinal process small, trilobed, supported by median septum; lateral ridges weakly developed, diverging anterior of the hinge, incurving inside small ears, and then extending down lateral margins; medium septum thin, long, raised anteriorly; adductor scars elongately oval to triangular in shape, strongly dendritic, terminating in smooth nodules; brachial ridges ear-shaped, extended obliquely from anterior of the adductor scars; inner surfaces finely pitted. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 35.9 | 33.0 | 39.0 | 36.0 | 4.24 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Artinskian or 290.10000 to 279.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | China (Xinjiang) | Costiferina pumilus (219838) Tarimoplecta tarimensis (51488 62832) Tarimoplecta tarimensis, K. davangouensis (62719 62831 62833) |