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Apternodus
Taxonomy
Apternodus was named by Matthew (1903). Its type is Apternodus mediaevus. It is the type genus of Apternodontidae.
It was assigned to Apternodontinae by Van Valen (1967); and to Apternodontidae by Matthew (1903), Hay (1930), McKenna and Bell (1997), Asher et al. (2002), Lopatin (2003), Gunnell et al. (2008), Korth et al. (2022).
It was assigned to Apternodontinae by Van Valen (1967); and to Apternodontidae by Matthew (1903), Hay (1930), McKenna and Bell (1997), Asher et al. (2002), Lopatin (2003), Gunnell et al. (2008), Korth et al. (2022).
Species
A. baladontus, A. brevirostris, A. dasophylakas, A. gregoryi, A. iliffensis, A. major, A. mediaevus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Apternodus Matthew |
| 1930 | Apternodus Hay p. 426 |
| 1967 | Apternodus Van Valen |
| 1997 | Apternodus McKenna and Bell |
| 2002 | Apternodus Asher et al. |
| 2003 | Apternodus Lopatin |
| 2008 | Apternodus Gunnell et al. |
| 2022 | Apternodus Korth 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.
G. †Apternodus Matthew 1903
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†Apternodus baladontus Asher 2002
†Apternodus brevirostris Schlaikjer 1934
†Apternodus dasophylakas Asher 2002
†Apternodus gregoryi Schlaikjer 1933
†Apternodus iliffensis Galbreath 1953
†Apternodus major Asher 2002
†Apternodus mediaevus Matthew 1903
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Lillegraven 1979, Ji et al. 2002 | |||||
Age range: base of the Duchesnean to the top of the Orellan or 39.70000 to 31.80000 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sharamurunian | China (Henan) | A. sp. (41120) | |
| Duchesnean | Canada (Saskatchewan) | A. sp. (16845) | |
| Duchesnean | USA (Texas) | A. brevirostris (16851) | |
| Duchesnean - Chadronian | USA (Montana) | A. mediaevus (16840) | |
| Duchesnean - Early/Lower Chadronian | USA (Wyoming) | A. iliffensis (16881) | |
| Chadronian | USA (Montana) | A. baladontus, A. mediaevus (16988) A. mediaevus (16924 16925 16935 16946 16959 17010 17041) A. sp. (16990) | |
| Chadronian | USA (Wyoming) | A. brevirostris (16962) A. brevirostris, A. gregoryi (16963 16964) A. mediaevus (16898) | |
| Chadronian | USA (Colorado) | A. iliffensis (16977 27244) | |
| Chadronian | USA (South Dakota) | A. mediaevus (17006) | |
| Chadronian | USA (North Dakota) | A. sp. (16991) | |
| Chadronian | Canada (Saskatchewan) | A. sp. (16919) | |
| Chadronian | USA (Nebraska) | A. iliffensis (17014 17033) | |
| Late/Upper Chadronian | USA (Montana) | A. mediaevus (17027) | |
| Middle Chadronian - Late/Upper Chadronian | USA (Wyoming) | A. brevirostris, A. gregoryi, A. major (27223) | |
| Chadronian - Orellan | USA (Wyoming) | A. dasophylakas (17063) | |
| Late/Upper Chadronian - Orellan | USA (Nebraska) | A. major (230806) | |
| Orellan | USA (Wyoming) | A. gregoryi (17056) |