| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptychtothyris stephani
Taxonomy
Terebratula stephani was named by Davidson (1877).
It was recombined as Ptychtothyris stephani by Cooper (1983).
It was recombined as Ptychtothyris stephani by Cooper (1983).
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Terebratula stephani Davidson p. 12 figs. Pl 1, fig 3 |
| 1877 | Terebratula stephani Davidson p. 12 figs. Pl 1, fig 3 |
| 1983 | Ptychtothyris stephani Cooper p. 142 figs. Pl 39, figs 16-21; pl 45, fig 7 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Ptychtothyris stephani Davidson 1877
show all | hide all
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 19.3 | 18.5 | 20.2 | 19.4 | 1.20 |
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Late/Upper Bajocian or 171.60000 to 167.70000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jurassic | USA (Alaska) | Terebratula stephani (112406) | |
| Garantiana | United Kingdom | Ptychtothyris stephani (171386 171616) | |
| Late/Upper Bajocian | United Kingdom (England) | Ptychtothyris stephani (135427) |