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Lingulellotreta
Taxonomy
Lingulellotreta was named by Koneva (1983) [Sepkoski's age data: Cm Boto-l Cm Tojo Sepkoski's reference number: 881,1066]. It is the type genus of Lingulellotretidae.
It was assigned to Lingulellotretidae by Holmer et al. (1997) and Williams et al. (2000); and to Lingulida by Sepkoski (2002).
It was assigned to Lingulellotretidae by Holmer et al. (1997) and Williams et al. (2000); and to Lingulida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Lingulellotreta Koneva |
| 1997 | Lingulellotreta Holmer et al. p. 579 |
| 2000 | Lingulellotreta Williams et al. p. 72 |
| 2002 | Lingulellotreta Sepkoski |
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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. †Lingulellotreta Koneva 1983
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†Lingulellotreta malongensis Rong 1974
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Invalid names: Lingulellotreta ergalievi Koneva in Gorjansky and Koneva 1983 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. E. Holmer et al. 1997 | Lingulellotretids with shell elongate oval to subtriangular, posteriorly acuminate; pseudointerareas of both valves with well-developed flexure lines; ventral pseudointer area orthocline; dorsal pseudointerarea with wide, concave median groove and short propareas; visceral areas of both valves not thickened; ventral visceral area extends to midvalve; dorsal visceral area with median tongue that extends somewhat anterior to midvalve. |