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Potamotrygonidae
Taxonomy
Potamotrygonidae was named by Garman (1877). It is extant.
It was assigned to Masticura by Jordan (1963); to Myliobatiformes by Lundberg (1997); and to Myliobatoidei by Nelson et al. (2016), van der Laan (2019).
It was assigned to Masticura by Jordan (1963); to Myliobatiformes by Lundberg (1997); and to Myliobatoidei by Nelson et al. (2016), van der Laan (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Potamotrygonidae Garman |
| 1963 | Potamotrygonidae Jordan p. 604 |
| 1997 | Potamotrygonidae Lundberg p. 69 figs. 5.1, 5.2B |
| 2016 | Potamotrygonidae Nelson et al. p. 91 |
| 2019 | Potamotrygonidae van der Laan p. 45 |
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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.
Fm. Potamotrygonidae Garman 1877
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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, Wagner 2023, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Middle Eocene to the top of the Late/Upper Pliocene or 48.07000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene | Peru (Loreto) | Potamotrygon ucayalensis (176140) | |
| Priabonian - Rupelian | Peru (Loreto) | Potamotrygon ucayalensis (144474) | |
| Early/Lower Oligocene | Peru | Potamotrygon canaanorum (199561) | |
| Late/Upper Oligocene | Peru (Loreto) | Potamotrygon sp. (176147) Potamotrygonidae indet. (176130) | |
| Colhuehuapian | Peru | Potamotrygon sp. (176149) | |
| Middle Miocene | Peru | Potamotrygon sp. (176135) | |
| Middle Miocene | Peru (Loreto) | Potamotrygonidae indet., Potamotrygon rajachloeae, Potamotrygon canaanorum (224007) | |
| Serravallian | Argentina (Entre Rios) | Potamotrygonidae indet. (55599) | |
| Serravallian - Tortonian | Peru | Potamotrygonidae indet., Potamotrygon motoro (176156) | |
| Laventan | Colombia (Huila) | Potamotrygonidae indet. (186683) P. sp. (186639) | |
| Tortonian | Peru | Potamotrygon motoro, Potamotrygon sp. (176133 176162) | |
| Tortonian | Brazil (Acre) | Potamotrygonidae indet. (55602) | |
| Late/Upper Pliocene | Venezuela (Falcon) | Potamotrygon sp. (122033) |