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Urolophus
Taxonomy
Urolophus is a genus. It is extant.
It was assigned to Trygonidae by Woodward (1889) and Jaekel (1894); to Dasyatidae by Jordan (1907) and Jordan (1963); to Myliobatiformes by Sepkoski (2002); to Rajiformes by Underwood (2006); and to Urolophidae by Cappetta (1987) and Marramà et al. (2018).
It was assigned to Trygonidae by Woodward (1889) and Jaekel (1894); to Dasyatidae by Jordan (1907) and Jordan (1963); to Myliobatiformes by Sepkoski (2002); to Rajiformes by Underwood (2006); and to Urolophidae by Cappetta (1987) and Marramà et al. (2018).
Species
Synonyms
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Synonymy list
Year | Name and author |
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1816 | Leiobatus Blainville |
1838 | Trygonoptera Muller and Henle |
1889 | Urolophus Woodward p. 154 |
1894 | Urolophus Jaekel p. 63 |
1907 | Urolophus Jordan p. 120 |
1963 | Leiobatus Jordan p. 603 |
1963 | Trygonoptera Jordan p. 604 |
1963 | Urolophus Jordan p. 604 |
1987 | Urolophus Cappetta p. 165 |
2002 | Urolophus Sepkoski |
2006 | Urolophus Underwood p. 235 |
2018 | Urolophus Marramà et al. p. 287 |
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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.
G. Urolophus
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†Urolophus crassicauda de Blainville 1818
†Urolophus cruciata Lacépède 1804
Urolophus halleri Cooper 1863
†Urolophus princeps Heckel 1854
Invalid names: Leiobatus Blainville 1816 [synonym], Trygonoptera Muller and Henle 1838 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Wagner 2023, Carroll 1988, Hendy et al. 2009 |
Age range
Maximum range based only on fossils: base of the Ypresian to the top of the Late/Upper Pleistocene or 56.00000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 47.8 Ma
Minimum age of oldest fossil (stem group age): 47.8 Ma
Collections (9 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Ypresian | Italy | U. crassicaudula (55239) U. sp. (94830) | |
Ypresian | Italy (Verona) | U. sp. (219837) | |
Chattian | Germany (Mecklenburg-Vorpommern) | U. sp. (32012) | |
Piacenzian | USA (California) | U. halleri (219849) | |
Middle Pleistocene | USA (California) | U. sp., U. halleri (20639) | |
Late/Upper Pleistocene | USA (California) | U. halleri (190889 222660) | |
Late/Upper Pleistocene (interglacial) | USA (California) | U. halleri (20646) |