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Platystrophia lutkevichi
Taxonomy
Platystrophia lutkevichi was named by Alikhova (1951). Its type specimen is CNIGR 19/8047, a valve (ventral valve), and it is a 3D body fossil. It is the type species of Neoplatystrophia.
It was recombined as Neoplatystrophia lutkevichi by Zuykov and Harper (2007).
It was recombined as Neoplatystrophia lutkevichi by Zuykov and Harper (2007).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Platystrophia lutkevichi Alikhova p. 23 figs. pl. 1 f. 19 |
| 2007 | Neoplatystrophia lutkevichi Zuykov and Harper pp. 27 - 28 figs. Plate II, figures 3-7 |
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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.
†Platystrophia lutkevichi Alikhova 1951
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†Platystrophia lutkevichi satura Oraspold 1959
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. A. Zuykov and D. A. T. Harper 2007 | Neoplatystrophia species having moderate sized to large shells, subrectangular in outline with maximum width in anterior third of shell; ventral sulcus deep, wide with two costae umbonally, increased by implantation of costa on each side, so on anterior margin number commonly four; dorsal median fold with three costae in young growth stages, normally external costae developed on outer pair, with branching on either side of median costa in later growth stages, resulting with five costae at anterior margin; on each flank about nine costae which may increase to 12 by development, not only of additional costae along the hingeline at later stages of growth, but by implantation of additional costae. |
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oandu | Lithuania | Platystrophia lutkevichi (207241) | |
| Rakvere | Russian Federation (Kaliningradskaya Oblast) | Platystrophia lutkevichi (235892) | |
| Rakvere | Estonia | Platystrophia lutkevichi (173919 173999 174023) | |
| Rakvere | Russian Federation | Platystrophia lutkevichi (173929 173996) | |
| Rakvere | Lithuania | Platystrophia lutkevichi (173992) | |
| Rakvere | Estonia (Lääne-Viru) | Platystrophia lutkevichi (174055) | |
| Nabala | Estonia (Hiiu) | Platystrophia lutkevichi (168473 168971) | |
| Nabala | Estonia (Viiruma) | Platystrophia lutkevichi (168791) | |
| Nabala | Estonia (Harju) | Platystrophia lutkevichi (175166) | |
| Nabala | Estonia | Platystrophia lutkevichi (161312 168624 168758) | |
| Nabala | Lithuania | Platystrophia lutkevichi (207243) | |
| Vormsi | Estonia | Platystrophia lutkevichi (168967) |