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Varalphadon crebreforme
Taxonomy
Protalphadon crebreforme was named by Cifelli (1990). Its type locality is northeast of Henrieville, OMNH V8, which is in a Campanian terrestrial horizon in the Wahweap Formation of Utah.
It was recombined as Varalphadon crebreforme by Johanson (1996), Kielan-Jaworowska et al. (2004).
It was recombined as Varalphadon crebreforme by Johanson (1996), Kielan-Jaworowska et al. (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Protalphadon crebreforme Cifelli |
| 1996 | Varalphadon crebreforme Johanson |
| 2004 | Varalphadon crebreforme Kielan-Jaworowska et al. pp. 443, 456 |
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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.
†Varalphadon crebreforme Cifelli 1990
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Clemens 1979, Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Hopson 1973 | |||||
Age range: Early/Lower Campanian or 83.60000 to 72.20000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | USA (Utah) | Protalphadon crebreforme (type locality: 75839 75840) |