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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) and 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) and 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. |