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Eochelone voltregana
Discussion
Derivation of name: From the type locality, Santa Ceclia de Voltreg
Taxonomy
Eochelone voltregana was named by de Lapparent de Broin et al. (2018). Its type specimen is MGSB 74.642. G.L.V., T-46, a partial skeleton, and it is a 3D body fossil. Its type locality is Santa Cecília de Voltregà turtle, which is in a Bartonian offshore shelf marl/sandstone in the Vic-Manlleu Marls Formation of Spain.
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Eochelone voltregana de Lapparent de Broin et al. p. 242 |
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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.
†Eochelone voltregana de Lapparent de Broin et al. 2018
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. de Lapparent de Broin et al. 2018 | The species is unique in the combination, at the adult stage, of an ovorectangular, neither pointed nor cordiform carapace; the absence of a dorsal carina; a plastron with central fontanelle of moderate width, being approximately equal to the width of each hyo-hypoplastral suture and of each lateral fontanelle; a pentagonal central fontanelle, much longer than the lateral fontanelle and the hyoplastral process base; robustness of the plastral bodies with laterally and medially robust and short digitations of the processes, the hyoplastral medial digitations being integrated in the dermal callosity; epiplastra with a wide and rounded gular protrusion without incurvation of the lateral borders and with a very slight anterior medial V notch, vertebral four (V4) being the longest, with a posterior narrowing; limited V5-supracaudal situated on the posterior border of the suprapygal 3; thoracic rib 2 of costal 1 contacting the limits of peripherals 2–3; no posterior peripheral 7 to 11 free of contact with a costal rib extremity, thoracic rib 9 of costal 8 not being curved to reach the peripheral 11 and a more robust humerus than in E. brabantica and P. camperi (unknown in other members of the group). See Supplement, Sect. S1 (1, 2 and 3), for other differential specific diagnosis in relation to the members of the Eo-Oligocene group. |
Measurements
No measurements are available
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| Source: superf = superfamily, subo = suborder, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Uetz 2005, Bush and Bambach 2015 | |||||
Age range: base of the Bartonian to the top of the Priabonian or 41.30000 to 33.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bartonian | Spain (Barcelona) | Eochelone voltregana (type locality: 167786 167787) | |
| Bartonian | Spain | Cheloniidae indet. (167792) Eochelone voltregana (167790) | |
| Priabonian | Spain (Catalonia) | Eochelone voltregana (196695) |