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Urolophidae (round ray)
Taxonomy
Urolophidae was named by Gray (1851). It is extant.
It was assigned to Dasyatoidea by Cappetta (1987); to Myliobatoidei by Nelson et al. (2016); and to Myliobatiformes by Tabuce et al. (2005), Carnevale et al. (2014) and Marramà et al. (2020).
It was assigned to Dasyatoidea by Cappetta (1987); to Myliobatoidei by Nelson et al. (2016); and to Myliobatiformes by Tabuce et al. (2005), Carnevale et al. (2014) and Marramà et al. (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1851 | Urolophidae Gray |
| 1987 | Urolophidae Cappetta p. 165 |
| 2005 | Urolophidae Tabuce et al. p. 387 |
| 2014 | Urolophidae Carnevale et al. p. 41 |
| 2016 | Urolophidae Nelson et al. p. 89 |
| 2020 | Urolophidae Marramà et al. p. 2 |
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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. Urolophidae Gray 1851 [round ray]
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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]
Invalid names: Urolophus crassicaudatus de Blainville 1818 [invalid subgroup]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Wagner 2023, Hendy et al. 2009, Carroll 1988 | |||||
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 (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Italy | Urolophus crassicaudula (55239) Urolophus sp., Urolophus crassicaudatus (94830) | |
| Ypresian | Italy (Verona) | Urolophus sp., Urolophus crassicaudatus (219837) | |
| Lutetian | Morocco | Urolophidae indet. (91339) | |
| Chattian | Germany (Mecklenburg-Vorpommern) | Urolophus sp. (32012) | |
| Piacenzian | USA (California) | Urolophus halleri (219849) | |
| Middle Pleistocene | USA (California) | Urolophus sp., Urolophus halleri (20639) | |
| Late/Upper Pleistocene (interglacial) | USA (California) | Urolophus halleri (20646) | |
| Late/Upper Pleistocene | USA (California) | Urolophus halleri (190889 222660) |