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Vassaroceras
Taxonomy
Vassaroceras was named by Ulrich et al. (1944) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 524]. Its type is Orthoceras henrietta.
It was assigned to Protocycloceratidae by Teichert et al. (1964), Crick (1981); and to Ellesmerocerida by Kröger and Landing (2008).
It was assigned to Protocycloceratidae by Teichert et al. (1964), Crick (1981); and to Ellesmerocerida by Kröger and Landing (2008).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Vassaroceras Ulrich et al. p. 32 |
| 1964 | Vassaroceras Teichert et al. p. 154 |
| 1981 | Vassaroceras Crick p. 227 |
| 2008 | Vassaroceras Kröger and Landing |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||