| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptychodus rugosus
Taxonomy
Ptychodus rugosus was named by Dixon (1850).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Ptychodus rugosus Dixon p. 362 |
| 1889 | Ptychodus rugosus Woodward p. 136 |
| 1935 | Ptychodus rugosus Dalinkevičius p. 263 |
| 1990 | Ptychodus rugosus Case et al. p. 1084 fig. 2,3 |
| 1999 | Ptychodus rugosus Cappetta and Case p. 10 figs. Pl 3, fig 4 |
| 2013 | Ptychodus rugosus Guinot et al. p. 594 figs. 3G-L |
| 2024 | Ptychodus rugosus Jambura et al. p. 23 figs. 12I-K |
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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.
†Ptychodus rugosus Dixon 1850
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Wagner 2023 | |||||
Age range: base of the Middle Turonian to the top of the Santonian or 93.50000 to 83.60000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian | USA (Texas) | Ptychodus rugosus (213300) | |
| Middle Turonian | France (Ardennes) | Ptychodus rugosus (213564) | |
| Coniacian | France (Charente) | Ptychodus rugosus (161749) | |
| Coniacian | Canada (Saskatchewan) | Ptychodus rugosus (23369) | |
| Santonian | Russian Federation (Orenburg) | Ptychodus rugosus (232890) | |
| Early/Lower Santonian | Lithuania | Ptychodus rugosus (213718) |