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Schizodus dubiiformis
Taxonomy
Schizodus dubiiformis was named by Waagen (1881). It is a 3D body fossil. Its type locality is Chidru, topmost Productus Limestone, Salt Range, which is in a Changhsingian coastal sandstone in the Chhidru Formation of Pakistan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Schizodus dubiiformis Waagen p. 238 figs. Pl 19, figs 15,16 |
| 1944 | Schizodus dubiiformis Reed p. 292 |
| 1965 | Schizodus dubiiformis Fantini Sestini p. 209 |
| 1976 | Schizodus dubiiformis Gu et al. p. 38 figs. Pl 10, fig 24 |
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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.
†Schizodus dubiiformis Waagen 1881
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 26.3 | 23.0 | 33.0 | 24.0 | 5.51 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Changhsingian or 272.30000 to 252.17000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian - Wordian | China (Xinjiang) | Schizodus dubiiformis (123275) | |
| Wuchiapingian | Pakistan | Schizodus dubiiformis (125926 126895) | |
| Wuchiapingian | China (Hunan) | Schizodus dubiiformis (121731) | |
| Wuchiapingian - Changhsingian | Pakistan | Schizodus dubiiformis (126744) | |
| Changhsingian | Pakistan | Schizodus dubiiformis (type locality: 89061 126889) |