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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Anodonta johnseni was named by Russell (1935). Its type specimen is GSC 8852, a partial shell, and it is not a trace fossil. Its type locality is Deadhorse Coulee, Locality 8, which is in a Santonian terrestrial horizon in the Milk River Formation of Canada. It is the type species of Anodonta.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Anodonta johnseni Russell p. 119 figs. Pl. 1:5 |
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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.
†Anodonta johnseni Russell 1935
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Bush and Bambach 2015 | |||||
Age range: Late/Upper Santonian or 85.80000 to 83.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Santonian | Canada (Alberta) | Anodonta johnseni (type locality: 71486) |