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Lingulellotreta malongensis
Taxonomy
Lingulepis malongensis was named by Rong (1974) [Holotype lost.]. Its type specimen is NIGP 22154, a shell, and it is a 3D body fossil.
It was recombined as Lingulellotreta malongensis by Holmer et al. (1997).
It was recombined as Lingulellotreta malongensis by Holmer et al. (1997).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Lingulepis malongensis Rong p. 114 figs. pl. 44, figs. 27, 32 |
| 1983 | Lingulellotreta ergalievi Koneva (in Gorjansky and Koneva |
| 1983 | Lingulellotreta ergalievi Koneva in Gorjansky and Koneva p. 132 figs. pl. 28, figs. 1-8 |
| 1993 | Lingulepis malongensis Jin et al. p. 794 |
| 1997 | Lingulellotreta malongensis Holmer et al. p. 581 |
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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.
†Lingulellotreta malongensis Rong 1974
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Invalid names: Lingulellotreta ergalievi Koneva in Gorjansky and Koneva 1983 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Y. G. Jin et al. 1993 | Shell small, up to 7 mm long, oval outline, pseu- dointerarea ranging from 0.25 to 0.35 of length; costae relatively coarse, discontinuous, spinose at frontal end. | |
| 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. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Atdabanian to the top of the Toyonian or 521.00000 to 510.20000 Ma
Collections (33 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | China (Shaanxi) | Lingulellotreta malongensis (57691 57694) | |
| Atdabanian | China | Lingulellotreta malongensis (151497) | |
| Atdabanian | China (Hubei) | Lingulellotreta malongensis (232719) | |
| Atdabanian | China (Yunnan) | Lingulellotreta malongensis (68083 90135 90137 90151 90161) Lingulepis malongensis (90493 90494) | |
| Nangaoian | China (Yunnan) | Lingulellotreta malongensis (132330 194143 194160 194161 194162 194163) | |
| Atdabanian - Botomian | China (Yunnan) | Lingulellotreta malongensis (9626 9627 9628) | |
| Botomian | Kazakhstan | Lingulellotreta malongensis (123087 123090 123092) | |
| Botomian | China (Yunnan) | Lingulellotreta malongensis (90353 90355 90361 90363 90365 90371) | |
| Botomian - Lenian | Kazakhstan | Lingulellotreta malongensis (9629) | |
| Duyunian | China (Hubei) | Lingulellotreta malongensis (175911) | |
| Toyonian | Kazakhstan | Lingulellotreta malongensis (122847 123093) |