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Urobatis
Taxonomy
Urobatis is a genus.
It was synonymized subjectively with Urolophus by Cappetta (1987).
It was assigned to Urolophidae by Jordan and Hanibal (1923); to Dasyatidae by Jordan and Gilbert (1919) and Jordan (1963); and to Rajiformes by Underwood (2006).
It was synonymized subjectively with Urolophus by Cappetta (1987).
It was assigned to Urolophidae by Jordan and Hanibal (1923); to Dasyatidae by Jordan and Gilbert (1919) and Jordan (1963); and to Rajiformes by Underwood (2006).
Species
Synonymy list
Year | Name and author |
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1919 | Urobatis Jordan and Gilbert p. 62 |
1923 | Urobatis Jordan and Hanibal p. 59 |
1963 | Urobatis Jordan p. 604 |
2006 | Urobatis Underwood p. 235 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Hendy et al. 2009, Wagner 2023, Carroll 1988 |
Age range
Maximum range based only on fossils: base of the Aquitanian to the top of the Late/Upper Pleistocene or 23.03000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Aquitanian | Panama (Panama) | U. sp. (159356) | |
Miocene | USA (California) | U. halleri (186028) | |
Tortonian | Panama | U. sp. (96700) | |
Tortonian | Panama (Colon) | U. sp. (160567) | |
Middle Pleistocene | USA (California) | U. halleri (219031) | |
Late/Upper Pleistocene | USA (California) | U. halleri (59063 160361) |