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Roxochelys wanderleyi
Taxonomy
Roxochelys wanderleyi was named by Price (1953). Its type specimen is DGM 216-R, a shell, and it is a 3D body fossil. Its type locality is Between Jupiá and Araçatuba (Km 101-104), which is in a Campanian/Maastrichtian terrestrial horizon in the Adamantina Formation of Brazil. It is the type species of Roxochelys.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Roxochelys wanderleyi Price |
| 1981 | Roxochelys wanderleyi Campos and de Broin |
| 2005 | Cambaremys langertoni França and Langer p. 395 figs. 2-8 |
| 2007 | Cambaremys langertoni Oliveira and Romano |
| 2007 | Roxochelys wanderleyi Oliveira and Romano |
| 2014 | Cambaremys langertoni de la Fuente et al. |
| 2014 | Roxochelys wanderleyi de la Fuente et al. |
| 2018 | Roxochelys wanderleyi Ferreira et al. |
| 2023 | Roxochelys wanderleyi Bogado et al. |
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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.
†Roxochelys wanderleyi Price 1953
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Invalid names: Cambaremys langertoni França and Langer 2005 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. S. Ferreira et al. 2018 | A medium-size Podocnemidoidae (more than 300 mm of carapace length) with a shell surface with ne sculpturing composed of small polygons; vertebral scutes 2–4 hexagonal and narrower than the pleural scutes; a relatively short and wide nuchal bone (in comparison to other non-Podocnemididae Podocnemidoidae), with a wide anterior edge; four-sided rst neural bone; axillary buttress extending onto costal bones 2 and reaching the peripheral bones 3 anteriorly; suture for axillary buttress medially broad and laterally narrow; costal bones 2 thickened around the axillary buttress suture; bridge peripheral bones ungut- tered; iliac scar on costal bone 7 with concave anterior out- line that crosses from costal bone 8 onto costal bone 7 both medially and laterally; internal gutter of posterior peripheral bones and pygal bone absent; gular scutes restricted to the epiplastra; intergular scute relatively wide; long midline contact between humeral scutes; pectoral scutes reach the entoplastron but not the epiplastra or mesoplastra. | |
| J. P. Bogado et al. 2023 | Roxochelys wanderleyi can be distinguished from other Podocnemidoidae due to the combination of the following characteristics: shell surface with sculpturing composed of a network of well-developed and relatively deep grooves (compared to other Podocnemidoidae), forming a mosaic of small polygons in low-relief; vertebral scutes 2–4 hexagonal; a relatively short and wide nuchal bone (in comparison to other non-sided first neural; axillary buttress extending onto costal bones 2 and reaching the peripheral bones 3 anteriorly; suture for axillary buttress medially broad and laterally narrow; costal bones 2 thickened around the axillary buttress suture; pleuro-marginal sulci in the bridge peripherals not deeply incised (opposed to other Late Cretaceous and Palaeogene pelomedusoids); iliac scar on costal bone 7 with concave anterior outline that crosses from costal bone 8 onto costal bone 7 both medially and laterally; internal gutter of posterior peripheral bones and pygal bone absent; anterior plastral lobe with a short semi-circular projection in the cranialmost extremity of the epiplastra, ventrally limited by the gular-extragular sulci; extragular scutes restricted to the epiplastra; gular scute relatively wide; long midline contact between humeral scutes; pectoral scutes reach the entoplastron but not the epiplastra or mesoplastra. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Carroll 1988, Uetz 2005, Hendy et al. 2009, Kiessling 2004 | |||||
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | Brazil (São Paulo) | Roxochelys wanderleyi (120506 182522 type locality: 189029 231097) | |
| Late/Upper Maastrichtian | Brazil (Minas Gerais) | Chelonia indet. (32346) |