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Taxonomy
Ptychogroehnia reducta was named by Szwedo and Stroinski (2001). Its type specimen is GPIH Grohn 244, an exoskeleton, and it is an inclusion in amber. Its type locality is Baltic Amber, GPIH collection, which is in a Priabonian terrestrial amber in the Russian Federation. It is the type species of Ptychogroehnia.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Ptychogroehnia reducta Szwedo and Stroinski p. 98 figs. 5-10, 14-15 |
| 2004 | Ptychogroehnia reducta Szwedo et al. p. 43 |
| 2018 | Ptychogroehnia reducta Brysz and Szwedo p. 285 |
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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.
†Ptychogroehnia reducta Szwedo and Stroinski 2001
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Bush and Bambach 2015 | |||||
Age range: Priabonian or 37.71000 to 33.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | Russian Federation (Kaliningrad) | Ptychogroehnia reducta (type locality: 110735) |