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Protopsephurinae
Taxonomy
Protopsephurinae was named by Grande and Bemis (1996).
It was assigned to Polyodontidae by Grande and Bemis (1996), Grande et al. (2002) and Nelson et al. (2016).
It was assigned to Polyodontidae by Grande and Bemis (1996), Grande et al. (2002) and Nelson et al. (2016).
Subtaxa
Synonymy list
Year | Name and author |
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1996 | Protopsephurinae Grande and Bemis p. 108 |
2002 | Protopsephurinae Grande et al. |
2016 | Protopsephurinae Nelson et al. p. 119 |
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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.
Subfm. †Protopsephurinae Grande and Bemis 1996
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Unr. Polyodonti Jaekel 1911
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Subfm. †Paleopsephurinae
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Subfm. Polyodontinae
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Tr. Polyodontini
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G. Polyodon Lacépède 1797
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Polyodon spathula Walbaum 1792 [American paddlefish]
†Polyodon tuberculata Grande and Bemis 1991
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988 |
Age range
Maximum range based only on fossils: base of the Late/Upper Barremian to the top of the Torrejonian or 130.00000 to 61.70000 Ma
Minimum age of oldest fossil (stem group age): 125.45 Ma
Minimum age of oldest fossil (stem group age): 125.45 Ma
Collections (9 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Barremian | China (Nei Mongol) | Protopsephurus sp. (103654) | |
Late/Upper Barremian - Early/Lower Aptian | China (Liaoning) | Protopsephurus liui (101022 134420) | |
Late/Upper Campanian | USA (New Mexico) | Paleopsephurus wilsoni (36541) | |
Maastrichtian | USA (Montana) | Paleopsephurus wilsoni (142526) | |
Late/Upper Maastrichtian | USA (Montana) | Paleopsephurus wilsoni (13142 67129) | |
Late/Upper Maastrichtian | USA (Wyoming) | Paleopsephurus wilsoni (14585) | |
Torrejonian | USA (Montana) | Paleopsephurus sp. (14874) |