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Ptychotrygon eutawensis
Taxonomy
Ptychotrygon eutawensis was named by Case et al. (2001). Its type specimen is CSUK97-2-45, a tooth, and it is a 3D body fossil. Its type locality is Entrance to Fort Benning, Interstate Highway 185, which is in a Santonian/Santonian marine sandstone/mudstone in the Eutaw Formation of Georgia.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Ptychotrygon eutawensis Case et al. p. 96 figs. Pl 5, fig 110; pl 6, figs 111-113,116,117; text-fig 6 |
| 2001 | Ptychotrygon eutawensis Duplicate |
| 2009 | Ptychotrygon eutawensis Kriwet et al. p. 336 |
| 2011 | Ptychotrygon eutawensis Bourdon et al. p. 33 figs. 20A-F |
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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.
†Ptychotrygon eutawensis Case et al. 2001
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Wagner 2023, Carroll 1988 | |||||
Age range: base of the Early/Lower Santonian to the top of the Middle Santonian or 85.70000 to 83.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Santonian - Middle Santonian | USA (Georgia) | Ptychotrygon eutawensis (type locality: 61769) | |
| Early/Lower Santonian - Middle Santonian | USA (New Mexico) | Ptychotrygon eutawensis, Ptychotrygon triangularis (52037) |