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Taxonomy
Oxydactylus was named by Peterson (1904).
It was assigned to Camelinae by Simpson (1945); to Aepycamelinae by Webb (1965); and to Camelidae by Peterson (1904), Carroll (1988) and Honey et al. (1998).
It was assigned to Camelinae by Simpson (1945); to Aepycamelinae by Webb (1965); and to Camelidae by Peterson (1904), Carroll (1988) and Honey et al. (1998).
Synonymy list
| Year | Name and author |
|---|---|
| 1904 | Oxydactylus Peterson |
| 1945 | Oxydactylus Simpson p. 150 |
| 1965 | Oxydactylus Webb p. 37 |
| 1988 | Oxydactylus Carroll |
| 1998 | Oxydactylus Honey et al. p. 451 |
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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. †Oxydactylus Peterson 1904
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†Oxydactylus benedentatus Hay 1924
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Invalid names: Procamelus concerptus Hay 1924 [synonym], Protolabis francisi Hay 1924 [synonym]
†Oxydactylus campestris Cook 1909
†Oxydactylus lacota Matthew and Macdonald 1960
†Oxydactylus longipes Peterson 1904
†Oxydactylus lulli Loomis 1911
†Oxydactylus wyomingensis Loomis 1936
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. A. Peterson 1904 | Teetlz brachyodont, superior incisors little reduced. No reduction in the
premolars. The first upper molar narrower than the second, which is the broadest in the molar-premolar senes. Third cen,ica/ vertebra the longest in the neck: the sixth with undivided inferior /ame/ltZ. Limbs greatly elongated and slender. Trapezium present. Metacarpals m- h"rely separated. Metatarsals separated with the exception ofthe palmar processes which are coossified. Pha/angt:s without the plantar rugosiltes for pads which are present in the recent camels and llamas. Ungua/s high, narrow andpointed. |
Measurements
No measurements are available
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| Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Nowak 1999, Hendy et al. 2009, Lillegraven 1979, Nowak 1991 | |||||
Age range: base of the Harrisonian to the top of the Langhian or 24.80000 to 13.82000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arikareean | USA (Wyoming) | O. lulli (17822) | |
| Arikareean | USA (South Dakota) | O. wyomingensis (17517) | |
| Chattian | USA (Florida) | O. sp. (17860) | |
| Harrisonian | USA (Wyoming) | Gentilicamelus wyomingensis (17759) | |
| Harrisonian | USA (Florida) | O. sp. (17763 17784) | |
| Harrisonian | USA (Montana) | O. lacota (17810) | |
| Harrisonian | USA (South Dakota) | O. lacota (17745) | |
| Harrisonian | USA (Nebraska) | O. campestris (188963) O. longipes (17809) O. sp. (17819 28043) | |
| Harrisonian - Hemingfordian | USA (Montana) | O. sp. (18811) | |
| Miocene | USA (New Mexico) | O. sp. (19341) | |
| Miocene | USA (Idaho) | O. sp. (18980) | |
| Early/Lower Hemingfordian | USA (Nebraska) | O. longipes (17865) O. sp. (17892) | |
| Early/Lower Hemingfordian | USA (Wyoming) | O. sp. (19046) | |
| Hemingfordian | USA (Wyoming) | O. longipes (18948) | |
| Hemingfordian | USA (Texas) | Procamelus benedentatus, Procamelus concerptus, Protolabis francisi (18626) | |
| Barstovian | USA (Nebraska) | O. sp. (18123) | |
| Langhian | Mexico (Baja California) | O. longipes (52183) | |
| Middle Miocene | Mexico (Baja California) | O. longipes (18728) |