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Protalphadon
Taxonomy
Protalphadon was named by Cifelli (1990). It is not extant. Its type is Alphadon lulli.
It was assigned to Didelphidae by Cifelli (1990) and McKenna and Bell (1997); to Peradectidae by Goin et al. (2006); to Alphadontidae by Kielan-Jaworowska et al. (2004) and Wilson et al. (2010); to Metatheria by Williamson et al. (2012); and to Marsupialiformes by Williamson et al. (2014).
It was assigned to Didelphidae by Cifelli (1990) and McKenna and Bell (1997); to Peradectidae by Goin et al. (2006); to Alphadontidae by Kielan-Jaworowska et al. (2004) and Wilson et al. (2010); to Metatheria by Williamson et al. (2012); and to Marsupialiformes by Williamson et al. (2014).
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Protalphadon Cifelli |
| 1997 | Protalphadon McKenna and Bell |
| 2004 | Protalphadon Kielan-Jaworowska et al. pp. 443, 455-456 fig. 12.11D |
| 2006 | Protalphadon Goin et al. |
| 2010 | Protalphadon Wilson et al. p. 513 |
| 2012 | Protalphadon Williamson et al. |
| 2014 | Protalphadon Williamson 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. †Protalphadon Cifelli 1990
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†Protalphadon foxi Johanson 1996
†Protalphadon lulli Clemens 1966
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Hopson 1973, Carroll 1988, Clemens 1979, Lillegraven 1979 | |||||
Age range: base of the Middle Cenomanian to the top of the Late/Upper Maastrichtian or 99.60000 to 66.00000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cenomanian - Late/Upper Cenomanian | USA (Utah) | P. sp. (14385) | |
| Early/Lower Campanian | USA (Utah) | Alphadon sp. (14421) P. sp. (14430) | |
| Judithian | USA (Wyoming) | Alphadon lulli (14458 14487) | |
| Late/Upper Campanian | USA (New Jersey) | Alphadon lulli (14455) | |
| Lancian | USA (South Dakota) | Alphadon lulli (14612) | |
| Lancian | USA (Wyoming) | Alphadon lulli (14519 14541 14543 14566) | |
| Lancian | USA (Colorado) | P. sp. (96081) | |
| Lancian | USA (Montana) | Alphadon lulli (14549) P. lulli (172642 172644) | |
| Late/Upper Maastrichtian | USA (Wyoming) | Alphadon lulli (14585) |