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Scacchinella yakowlewi
Taxonomy
Scacchinella yakowlewi was named by Licharew (1928). It is a 3D body fossil. Its type locality is Severnaya Balka, Malaya Laba River (Robinson coll), which is in a Changhsingian carbonate limestone in the Urushten Formation of the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Scacchinella yakowlewi Licharew p. 265 figs. 4-8 |
| 1937 | Scacchinella yakowlewi Licharew p. 84 figs. Pl 13, fig 18 |
| 1960 | Scacchinella yakowlewi Muir-Wood and Cooper p. 130 |
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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.
†Scacchinella yakowlewi Licharew 1928
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 13.6 | 12.5 | 16.0 | 12.5 | 2.02 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Russian Federation | Scacchinella yakowlewi (type locality: 112565 112566 112569 127858 127860 127877 127879) |