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Varalphadon
Taxonomy
Varalphadon was named by Johanson (1996). It is not extant. Its type is Protalphadon wahweapensis.
It was assigned to Didelphidae by Johanson (1996) and McKenna and Bell (1997); to Alphadontidae by Kielan-Jaworowska et al. (2004); to Didelphimorphia by Davis (2007); to Metatheria by Williamson et al. (2012); and to Sparassodonta by Carneiro (2018).
It was assigned to Didelphidae by Johanson (1996) and McKenna and Bell (1997); to Alphadontidae by Kielan-Jaworowska et al. (2004); to Didelphimorphia by Davis (2007); to Metatheria by Williamson et al. (2012); and to Sparassodonta by Carneiro (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Varalphadon Johanson |
| 1997 | Varalphadon McKenna and Bell |
| 2004 | Varalphadon Kielan-Jaworowska et al. pp. 443, 456 fig. 12.11C |
| 2007 | Varalphadon Davis p. 218 |
| 2012 | Varalphadon Williamson et al. |
| 2018 | Varalphadon Carneiro |
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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. †Varalphadon Johanson 1996
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†Varalphadon creber Fox 1971
†Varalphadon crebreforme Cifelli 1990
†Varalphadon janetae Carneiro 2018
†Varalphadon wahweapensis Cifelli 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Clemens 1979, Hendy et al. 2009, Hopson 1973 | |||||
Age range: base of the Middle Cenomanian to the top of the Late/Upper Campanian or 99.60000 to 70.60000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cenomanian - Late/Upper Cenomanian | USA (Utah) | V. janetae (14385) | |
| Coniacian - Santonian | USA (Utah) | Alphadon sp. (14393) | |
| Santonian | USA (Montana) | V. sp. (181583) V. sp., V. wahweapensis (181582) | |
| Late/Upper Santonian | Canada (Alberta) | Alphadon creber (14423 14425 14426) | |
| Early/Lower Campanian | USA (Utah) | Alphadon sp. B (14421) Anchistodelphys archibaldi (75851) Protalphadon crebreforme (75839 75840) | |
| Late/Upper Campanian | USA (Utah) | Protalphadon wahweapensis (14466 75836) |