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Hypolophodon patagoniensis
Taxonomy
Hypolophodon patagoniensis was named by Cione et al. (2013). Its type specimen is Hypolophodon sylvestris, a set of teeth (Anterior tooth), and it is a 3D body fossil. Its type locality is Estancia 26 de Mayo, which is in a Maastrichtian/Paleocene shoreface sandstone in the Lefipán Formation of Argentina.
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Hypolophodon patagoniensis Cione et al. p. 3 fig. 3 |
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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.
†Hypolophodon patagoniensis Cione et al. 2013
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. L. Cione et al. 2013 | Species of Hypolophodon that differs from the type species (H. sylvestris) in the absence of an occlusal tranverse crest on the crown of unworn teeth and of a
broad and rounded central uvula on the lingual face of the crown; and in the presence of the lower boundary of the enameloid which is smooth on all crown faces, many expanded basoapically striae on all sides of the root (not only the lingual one as in H. sylvestris), and a deep root. H. patagoniensis differs from another putative species (H.dockery) in the larger size, the less widely separated root branches, the presence of root foraminae or striae, the absence of uvula, and the deeper crown. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Wagner 2023 | |||||
Age range: base of the Late/Upper Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma
Collections (3 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) | Hypolophodon patagoniensis (type locality: 231891) | |
| Danian | Argentina (Chubut) | Hypolophodon patagoniensis (231892) |