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Taxonomy
Peltosaurus piger was named by Gilmore (1928). Its type specimen is USNM 10687, a mandible (posterior portion of a right dentary containing six teeth and space for three others), and it is a 3D body fossil. Its type locality is Peterson's Quarry, which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.
It was recombined as Pancelosaurus piger by Meszoely (1970) and Estes (1976); it was synonymized subjectively with Peltosaurus granulosus by Maddox and Wall (1998); it was recombined as Odaxosaurus piger by Meszoely et al. (1978), Breithaupt (1982), Estes (1983), Sullivan (1986), Bryant (1989), Sullivan (1991), Gao and Fox (1996), Peng et al. (2001) and Longrich et al. (2012).
It was recombined as Pancelosaurus piger by Meszoely (1970) and Estes (1976); it was synonymized subjectively with Peltosaurus granulosus by Maddox and Wall (1998); it was recombined as Odaxosaurus piger by Meszoely et al. (1978), Breithaupt (1982), Estes (1983), Sullivan (1986), Bryant (1989), Sullivan (1991), Gao and Fox (1996), Peng et al. (2001) and Longrich et al. (2012).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Peltosaurus piger Gilmore p. 136 figs. Pl. 26:4, 6 |
| 1928 | Odaxosaurus obliquus Gilmore p. 158 figs. 101-102; Pl. 26:3, 5 |
| 1930 | Peltosaurus piger Hay p. 255 |
| 1930 | Odaxosaurus obliquus Hay p. 256 |
| 1964 | Peltosaurus piger Estes p. 119 |
| 1970 | Pancelosaurus piger Meszoely p. 105 |
| 1976 | Pancelosaurus piger Estes p. 509 |
| 1978 | Odaxosaurus piger Meszoely et al. |
| 1982 | Odaxosaurus piger Breithaupt |
| 1983 | Odaxosaurus piger Estes p. 147 figs. 36a-b |
| 1986 | Odaxosaurus piger Sullivan p. 110 |
| 1989 | Odaxosaurus piger Bryant p. 46 |
| 1991 | Odaxosaurus piger Sullivan p. 297 |
| 1996 | Odaxosaurus piger Gao and Fox pp. 67-68 fig. 28 |
| 2001 | Odaxosaurus piger Peng et al. p. 29 |
| 2012 | Odaxosaurus piger Longrich 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.
†Odaxosaurus piger Gilmore 1928
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Invalid names: Odaxosaurus obliquus Gilmore 1928 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, subp = subphylum | |||||
| References: Bryant 1989, Carroll 1988, Hendy et al. 2009, Behler and King 1979 | |||||
Age range: base of the Judithian to the top of the Clarkforkian or 83.50000 to 54.90000 Ma
Collections (43 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | USA (Utah) | Odaxosaurus piger (14421) | |
| Judithian | USA (Texas) | Odaxosaurus sp. (14489) | |
| Late/Upper Campanian | Canada (Alberta) | Odaxosaurus piger (45674 45899) | |
| Middle Campanian | Canada (Alberta) | Odaxosaurus piger (45560 45564 45566 45567 45670 45820) | |
| Middle Campanian - Late/Upper Campanian | USA (Montana) | Peltosaurus piger (14446) | |
| Middle Campanian - Late/Upper Campanian | Canada (Alberta) | Odaxosaurus piger (45819) | |
| Lancian | USA (Wyoming) | Odaxosaurus piger (14505 14514 14543) Peltosaurus piger (14519 14538 14566 14606) | |
| Lancian | USA (South Dakota) | Peltosaurus piger (14537) | |
| Lancian | USA (Colorado) | Odaxosaurus piger (14640) | |
| Lancian | Canada (Alberta) | Odaxosaurus piger (14632) | |
| Lancian | Canada (Saskatchewan) | Odaxosaurus piger (14655) | |
| Lancian | USA (Montana) | Odaxosaurus piger (14508 14534 14535 14549 14639) | |
| Late/Upper Maastrichtian | USA (Wyoming) | Odaxosaurus obliquus (118461 180016) Peltosaurus piger (14585) | |
| Late/Upper Maastrichtian | USA (Montana) | Pancelosaurus piger (13142) | |
| Puercan | USA (Wyoming) | Odaxosaurus piger (14796 14805) | |
| Puercan | USA (Colorado) | Odaxosaurus piger (14658) | |
| Puercan | USA (New Mexico) | Odaxosaurus piger (14760) | |
| Torrejonian | USA (Montana) | Pancelosaurus piger (14874) | |
| Torrejonian | USA (Wyoming) | Odaxosaurus piger (14886) | |
| Tiffanian | USA (Wyoming) | Odaxosaurus piger (15017) Pancelosaurus piger (15029 15049 15065) | |
| Clarkforkian | USA (Wyoming) | Odaxosaurus piger (15082) |