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Gymnura
Taxonomy
Gymnura was named by Van Hasselt (1823) [Sepkoski's age data: K Ceno-u R Sepkoski's reference number: 1066]. It is extant. Its type is Raja micura. It is the type genus of Gymnuridae.
It was assigned to Dasyatidae by Jordan (1963); to Myliobatiformes by Sepkoski (2002); and to Gymnuridae by Cappetta (1984), Cappetta (1987), Werner (1989), Noubhani and Cappetta (1997), Cicimurri and Knight (2009) and Underwood and Schlogl (2013).
It was assigned to Dasyatidae by Jordan (1963); to Myliobatiformes by Sepkoski (2002); and to Gymnuridae by Cappetta (1984), Cappetta (1987), Werner (1989), Noubhani and Cappetta (1997), Cicimurri and Knight (2009) and Underwood and Schlogl (2013).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1823 | Gymnura Van Hasselt |
| 1837 | Pteroplatea Muller and Henle |
| 1841 | Aetoplatea Vallencienes |
| 1894 | Pteroplatea Jaekel p. 63 |
| 1943 | Pteroplatea David p. 81 |
| 1963 | Gymnura Jordan p. 604 |
| 1963 | Pteroplatea Jordan p. 604 |
| 1963 | Aetoplatea Jordan p. 605 |
| 1984 | Aetoplatea Cappetta |
| 1984 | Gymnura Cappetta |
| 1987 | Gymnura Cappetta p. 165 |
| 1989 | Gymnura Werner p. 84 |
| 1997 | Gymnura Noubhani and Cappetta p. 106 |
| 2002 | Gymnura Sepkoski |
| 2009 | Gymnura Cicimurri and Knight p. 639 |
| 2013 | Gymnura Underwood and Schlogl p. 501 |
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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. Gymnura Van Hasselt 1823
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Gymnura altavela Linnaeus 1758
†Gymnura delpiti Cappetta 1984
†Gymnura grootaerti Herman 1984
†Gymnura hovestadti Herman 1984
†Gymnura laterialata Werner 1989
†Gymnura micura Bloch and Schneider 1801
Invalid names: Aetoplatea Vallencienes 1841 [synonym], Pteroplatea Muller and Henle 1837 [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 Late/Upper Cenomanian to the top of the Messinian or 99.60000 to 5.33300 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Minimum age of oldest fossil (stem group age): 93.5 Ma
Collections (29 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | Egypt | G. laterialata (214508) | |
| Selandian | Morocco | G. delpiti (133217) | |
| Selandian - Thanetian | Morocco | G. delpiti (214839 214848) | |
| Thanetian | Morocco | G. delpiti (214833) | |
| Late/Upper Paleocene - Early/Lower Eocene | India | G. sp. (91316) | |
| Lutetian | United Kingdom (England) | G. latidens (41992) G. sp. (41989 41996) | |
| Lutetian | Togo | G. sp. (32991) | |
| Lutetian | USA (Alabama) | G. sp. (13346) | |
| Lutetian - Bartonian | Egypt | G. sp. (137540) | |
| Middle Eocene | Ukraine (Crimea) | G. sp. (140018) | |
| Priabonian | Egypt | G. sp. (137550 137551 137564 137568 137569) | |
| Priabonian | Western Sahara | G. sp. (96686) | |
| Priabonian | Jordan | G. sp. (32899) | |
| Chattian | USA (South Carolina) | G. sp. (97550) | |
| Burdigalian | Slovakia | G. sp. (161899) | |
| Barstovian | USA (California) | Pteroplatea lapislutosa (85313) | |
| Langhian | Austria (Styria) | G. sp. (161934) | |
| Langhian | Mexico (Baja California) | G. sp. (52183) | |
| Serravallian - Tortonian | Malta (Ras ii-Karraba) | G. sp. (161384) | |
| Messinian | Portugal | G. sp. (91423) | |
| MN 13 | Portugal | G. sp. (65954) | |
| MN 13 | Portugal (Alvalade) | G. sp. (65955) |