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Palaeophrynops
Taxonomy
Palaeophrynops was named by Lapparent de Broin and de la Fuente (2001).
It was assigned to Chelidae by Lapparent de Broin and de la Fuente (2001), Gaffney et al. (2006) and de la Fuente et al. (2014); and to Panchelidae by Maniel and de la Fuente (2016).
It was assigned to Chelidae by Lapparent de Broin and de la Fuente (2001), Gaffney et al. (2006) and de la Fuente et al. (2014); and to Panchelidae by Maniel and de la Fuente (2016).
Species
Synonymy list
Year | Name and author |
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2001 | Palaeophrynops Lapparent de Broin and de la Fuente p. 467 fig. 4 |
2006 | Palaeophrynops Gaffney et al. p. 33 |
2014 | Palaeophrynops de la Fuente et al. |
2016 | Palaeophrynops Maniel and de la Fuente |
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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. †Palaeophrynops Lapparent de Broin and de la Fuente 2001
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†Palaeophrynops patagonicus Lapparent de Broin and de la Fuente 2001
Diagnosis
Reference | Diagnosis | |
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F. de Lapparent de Broin and M. S. de la Fuente 2001 | Same for the genus and species. Relatively derived state in the Phrynops group by the anterior border of the carapace, rounded, clearly progressively elongated (although not as much as possible in chelids) from peripherals 3 up to nuchal; the nuchal narrowed, especially anteriorly (straight anterior border), long with regard to its width and to the carapace; the vertebrals narrowed from anterior part of vertebral 1, and more at vertebral 2; the dilated intergular; the moderately elongated and depressed cervical vertebra 4, with oval and close postzygapophyses facets on a not depressed common process. Apomorphic by its intergular very large, with lateroposterior border slightly concave, widening much anteriorly with rounded convex borders and then more anteriorly much narrowing, the gulars (not contacting entoplastron) much anteriorly widened. |
Measurements
No measurements are available
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Source: subo = suborder, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988, Uetz 2005 |
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.50000 to 66.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | Chelidae indet. A (45087) |