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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptychotrygon winni
Taxonomy
Ptychotrygon winni was named by Case and Cappetta (1997). It is a 3D body fossil. Its type locality is Kemp Clay Formation, which is in a Maastrichtian marine claystone/sandstone in the Kemp Clay Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Ptychotrygon winni Case and Cappetta p. 150 figs. Pl 13, figs 1-3 |
| 2019 | Ptychotrygon winni Hoganson et al. p. 38 figs. 9.24-9.31 |
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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 winni Case and Cappetta 1997
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Wagner 2023 | |||||
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | USA (New Jersey) | Ptychotrygon winni (221052) | |
| Late/Upper Maastrichtian | USA (North Dakota) | Ptychotrygon winni (213580 213582 213583 213584 213585 213587 213589) | |
| Late/Upper Maastrichtian | USA (Texas) | Ptychotrygon winni (type locality: 61738) |