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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Amphicynodontinae was named by Simpson (1945). It is not extant.
It was reranked as the family Amphicynodontidae by Tedford et al. (1994), Bonis et al. (2019), de Bonis et al. (2019).
It was assigned to Ursoidea by Tedford et al. (1994); to Ursidae by Hunt (1998); and to Ursida by Bonis et al. (2019), de Bonis et al. (2019).
It was reranked as the family Amphicynodontidae by Tedford et al. (1994), Bonis et al. (2019), de Bonis et al. (2019).
It was assigned to Ursoidea by Tedford et al. (1994); to Ursidae by Hunt (1998); and to Ursida by Bonis et al. (2019), de Bonis et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Amphicynodontinae Simpson p. 110 |
| 1994 | Amphicynodontidae Tedford et al. p. 12 |
| 1998 | Amphicynodontinae Hunt, Jr. p. 178 |
| 2019 | Amphicynodontidae Bonis et al. |
| 2019 | Amphicynodontidae de Bonis 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.
Subfm. †Amphicynodontinae Simpson 1945
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G. †Amphicynodon Filhol 1881
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†Amphicynodon brachyrostris Filhol 1876
†Amphicynodon cephalogalinus Teilhard 1915
†Amphicynodon chardini Cirot and de Bonis 1992
†Amphicynodon crassirostris Filhol 1876
†Amphicynodon gracilis Filhol 1874
†Amphicynodon leptorhynchus Filhol 1874
†Amphicynodon palustris Aymard 1850
†Amphicynodon rossignoli Filhol 1882
†Amphicynodon speciosus Fafiot 1882
†Amphicynodon teilhardi Matthew and Granger 1924
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Invalid names: Cynodictis mongoliensis Janovskaja 1970 [synonym]
†Amphicynodon velaunus Aymard 1846
Invalid names: Amphicynodon aymardi Filhol 1883 [nomen nudum], Amphicynodon musteloides Schlosser 1902 [nomen nudum], Amphicynodon wortmani Schlosser 1902 [nomen nudum], Cynodon Aymard 1848 [synonym]
G. †Pachycynodon Schlosser 1887
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†Pachycynodon boriei Filhol 1876
†Pachycynodon crassirostris Schlosser 1888
†Pachycynodon curvirostris Filhol 1876
†Pachycynodon filholi Schlosser 1888
†Pachycynodon filholi amphictina Teilhard 1915
†Pachycynodon obtusus Dehm 1935
†Pachycynodon tenuis Teilhard 1915
Invalid names: Paracynodon Schlosser 1899 [synonym]
G. †Parictis Scott 1893
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†Parictis gilpini Clark and Guensburg 1972
†Parictis major Clark and Guensburg 1972
†Parictis montanus Clark and Guensburg 1972
†Parictis parvus Clark and Beerbower 1967
†Parictis personi Chaffee 1954
†Parictis primaevus Scott 1893
Invalid names: Campylocynodon Chaffee 1954 [synonym], Parietis Scott 1893 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002 | |||||
Age range: base of the Chadronian to the top of the Aquitanian or 37.00000 to 20.45000 Ma
Collections (41 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Montana) | Parictis montanus (16946 16988) | |
| Chadronian | USA (South Dakota) | Parictis gilpini, Parictis parvus (16885) Parictis major (17006) | |
| Chadronian | USA (Nebraska) | Parictis gilpini (16958 17040) Parictis sp. (17014) | |
| Chadronian | USA (Wyoming) | Campylocynodon personi (16907) Daphoenus sp. (17045) Parictis gilpini (16933 16998 17024) Parictis sp. (16961 16962 16963 16964) Subparictis parvus (16960) | |
| Chadronian | Canada (Saskatchewan) | Parictis parvus (16919) | |
| Orellan | USA (Colorado) | Drassonax harpagops (17082) | |
| Orellan | USA (Wyoming) | Parictis gilpini (17147) | |
| Early/Lower Oligocene | France (Quercy, Midi-Pyrenees Region) | Cynodictis gracilis (31583) | |
| Early/Lower Oligocene | Mongolia | Pachycynodon teilhardi (53979) | |
| Early/Lower Oligocene | China (Nei Mongol) | Amphicynodon sp. (174759) Amphicynodon sp., Pachycynodon tedfordi (175386) | |
| Early/Lower Oligocene | Mongolia (Övörkhangai) | Amphicynodon sp., Amphicynodon teilhardi (180961 201191) Amphicynodon teilhardi (53978) | |
| Early/Lower Oligocene | France (Auvergne Region) | Amphicynodon velaunus, Cynodon palustris, Proplesictis aymardi (31767) | |
| MP 21 | France (Quercy) | Cynodictis brachyrostris (36708) | |
| MP 22 | France | Amphicynodon leptorhynchus, Pachycynodon borei (183452) | |
| MP 22 | France (Quercy) | Pachycynodon sp. (179142) Pachycynodon sp. 1 (179140) | |
| MP 22 | France (Midi-Pyrenées) | Pachycynodon sp., Amphicynodon sp. 2, Pachycynodon boriei, Pachycynodon crassirostris, Amphicynodon typicus, Pachycynodon dubius, Pachycynodon filholi (167537) Pachycynodon sp., Pachycynodon boriei, Pachycynodon crassirostris (167513) | |
| MP 23 | France (Quercy) | Amphicynodon leptorhynchus, Amphicynodon typicus (36711) Amphicynodon typicus (36709) | |
| Rupelian | Germany (Rhineland-Palatinate) | Amphicynodon sp. (65088) | |
| Oligocene | France | Amphicynodon chardini (231273) | |
| Late/Upper Oligocene | Germany | Pachycynodon obtusus (183664) | |
| Late/Upper Oligocene | Mongolia | Amphicynodon sp. (75588) | |
| Aquitanian | Hungary (Esztergom) | Pachycynodon boriei (186636) |