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Praeundulomya petschorica
Taxonomy
Praeundulomya petschorica was named by Muromtseva and Guskov (1981). Its type specimen is PIN 596/11570 and is not a trace fossil. Its type locality is Kozhimskoe Coalfield, well IK-118, 92 m, Pechora Basin, which is in a Kungurian marine siliciclastic in the Lekvorkuta Formation of the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Praeundulomya petschorica Muromtseva and Guskov p. 43 figs. Pl 7, fig 18; pl 8, fig 8; pl 11, fig 10 |
| 1984 | Praeundulomya petschorica Muromtseva and Guskov p. 108 figs. Pl 47, figs 1-6,9-16; pl 50, figs 9-13 |
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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.
†Praeundulomya petschorica Muromtseva and Guskov 1981
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 22.7 | 19.7 | 28.0 | 21.3 | 4.40 |
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Mongolia | Praeundulomya petschorica (81140) | |
| Artinskian | Mongolia | Praeundulomya petschorica (51571 81141) | |
| Kungurian | Russian Federation | Praeundulomya petschorica (81145 109943 type locality: 109972 110010 113966 114166 114415 114434 114435 114436 225521) | |
| Roadian | Russian Federation | Praeundulomya petschorica (109963) |