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Hypolophodon
Taxonomy
Hypolophodon was named by Cappetta (1980) [Sepkoski's age data: T Dani T Mi Sepkoski's reference number: 884,958].
It was assigned to Dasyatidae by Cappetta (1980), Cappetta (1987), Cvancara and Hoganson (1993) and Bogan and Gallina (2011); to Myliobatiformes by Sepkoski (2002), Cione et al. (2013) and Case et al. (2015); and to Myliobatoidei by Ebersole et al. (2019).
It was assigned to Dasyatidae by Cappetta (1980), Cappetta (1987), Cvancara and Hoganson (1993) and Bogan and Gallina (2011); to Myliobatiformes by Sepkoski (2002), Cione et al. (2013) and Case et al. (2015); and to Myliobatoidei by Ebersole et al. (2019).
Species
Synonymy list
Year | Name and author |
---|---|
1980 | Hypolophodon Cappetta p. 39 |
1987 | Hypolophodon Cappetta p. 165 |
1993 | Hypolophodon Cvancara and Hoganson p. 10 |
2002 | Hypolophodon Sepkoski |
2011 | Hypolophodon Bogan and Gallina |
2013 | Hypolophodon Cione et al. |
2015 | Hypolophodon Case et al. p. 1132 |
2019 | Hypolophodon Ebersole et al. p. 118 |
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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. †Hypolophodon Cappetta 1980
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†Hypolophodon patagoniensis Cione et al. 2013
†Hypolophodon sylvestris White 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Carroll 1988, Wagner 2023, Hendy et al. 2009 |
Age range: base of the Late/Upper Maastrichtian to the top of the Early/Lower Miocene or 70.60000 to 15.97000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Maastrichtian | Argentina (Río Negro) | Pseudohypolophus mcnultyi (231889) | |
Late/Upper Maastrichtian - Paleocene | Argentina (Chubut) | H. patagoniensis (231891) | |
Early/Lower Paleocene | USA (New Jersey) | H. sylvestris (62840) | |
Danian | Argentina (Chubut) | H. patagoniensis (231892) | |
Selandian - Thanetian | Morocco | H. sp. (214848) | |
Late/Upper Paleocene | France (Oise) | H. sylvestris (166598) | |
Ypresian - Lutetian | USA (Alabama) | H. sylvestris (209524) | |
Wasatchian | USA (Virginia) | H. sylvestris (15595) | |
Early/Lower Eocene - Middle Eocene | United Kingdom (England) | H. sylvestris (3256 3258) | |
Middle Eocene | Uzbekistan | H. sp. (62573) | |
Early/Lower Miocene | India (Orissa) | Hypolophus sylvestris (42842) |