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Kyrshabaktella
Taxonomy
Kyrshabaktella was named by Koneva (1986). Its type is Kyrshabaktella certa.
It was assigned to Obolinae by Williams et al. (2000); to Lingulida by Sepkoski (2002); and to Kyrshabaktellidae by Skovsted and Holmer (2006), Skovsted et al. (2017).
It was assigned to Obolinae by Williams et al. (2000); to Lingulida by Sepkoski (2002); and to Kyrshabaktellidae by Skovsted and Holmer (2006), Skovsted et al. (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Kyrshabaktella Koneva |
| 2000 | Kyrshabaktella Williams et al. p. 46 |
| 2002 | Kyrshabaktella Sepkoski |
| 2006 | Kyrshabaktella Skovsted and Holmer p. 329 |
| 2017 | Kyrshabaktella Skovsted 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. †Kyrshabaktella Koneva 1986
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†Kyrshabaktella certa Ushatinskaya and in Pelman 1992
†Kyrshabaktella davidi Gravestock et al. 2001
†Kyrshabaktella diabola Skovsted et al. 2017
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. B. Skovsted and L. E. Holmer 2006 | Shell elongate oval to subtriangular; larval shell
pitted, adult shell smooth; ventral pseudointerarea with narrow propareas, sometimes with flexure lines, and a narrow pedicle furrow that widens ontogenetically by resorption into a wide, subrectangular emarginature; dorsal pseudointerarea with shallow median groove and raised propareas that develop into wide valve margins; muscle system with paired umbonal muscle scars; secondary shell with well developed columnar sets separated by narrow slits. |
Measurements
No measurements are available
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| Source: g = genus, superf = superfamily, o = order, c = class, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013, Bambach et al. 2007 | |||||
Age range: base of the Atdabanian to the top of the Tuesaian or 521.00000 to 503.00000 Ma
Collections (50 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Australia (South Australia) | K. davidii (215375 215449) | |
| Atdabanian | Australia (South Australia) | K. davidi (140335 140339) | |
| Atdabanian | China (Shaanxi) | K. sp. (57690) | |
| Dyeran | USA (Nevada) | K. sp. (7787 96417) | |
| Dyeran | Canada (Newfoundland) | K. diabola (196283 196284 196293) | |
| Toyonian | Australia (South Australia) | K. certa (96929) | |
| Ordian | Australia (Northern Territory) | K. mudedirri (131283 131295) | |
| Amgan | Kazakhstan | K. certa (9970 9973 9974 9975 9976 9977) | |
| Middle Cambrian | Australia (Northern Territory) | K. mudedirri (59989 59993 59994 59998 59999 60000 60014 60015 60016 60018 60019 60022 60023 60024 60026 60028 60030 60045 60046 60057 60058 60060 60061 60062 60074 60075) | |
| Tuesaian | Kazakhstan | K. certa (9969 118086 118088 118090) | |
| Mayan | Kyrgyzstan | K. certa (122858) |