| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptychodictyon
Taxonomy
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Ptychodictyon Gross |
| 1979 | Ptychodictyon Denison |
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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.
G. †Ptychodictyon Gross 1973
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†Ptychodictyon rimosum Gross 1973
†Ptychodictyon sulcatum Gross 1973
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Emsian to the top of the Middle Givetian or 402.50000 to 380.20000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Emsian | Belarus (Gormel) | P. ancestralis (232957) | |
| Late/Upper Emsian - Eifelian | Latvia | P. sp. (226510) | |
| Eifelian | Estonia | P. rimosum (225792 225793) | |
| Early/Lower Givetian | Belarus | P. rimosum (225885 225886) | |
| Early/Lower Givetian | Estonia | P. rimosum, P. sulcatum (225851) | |
| Middle Givetian | Belarus | P. rimosum (225887) |