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Ptychoceratodus cionei
Taxonomy
Ptychoceratodus cionei was named by Apesteguia et al. (2007). Its type specimen is MACN PV RN157B, a tooth (left lower tooth plate), and it is a 3D body fossil. Its type locality is Los Alamitos vertebrates, middle section, which is in a Campanian/Maastrichtian lacustrine - large siltstone/sandstone in the Los Alamitos Formation of Argentina.
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Ptychoceratodus cionei Apesteguia et al. |
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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.
†Ptychoceratodus cionei Apesteguia et al. 2007
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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, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.50000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | Ptychoceratodus cionei (type locality: 45087) |