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Shumardia sagittula
Taxonomy
Shumardia sagittula was named by Whittington (1965). Its type specimen is GSC 18448, a cephalon/head (cranidium), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Shumardia sagittula Whittington p. 330 figs. Pl. 17, figs. 1, 2, 5, 6 |
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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.
†Shumardia sagittula Whittington 1965
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Whiterockian or 470.00000 to 457.30000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | Canada (Newfoundland and Labrador) | Shumardia sagittula (104861) | |
| Whiterockian | Canada (Newfoundland and Labrador) | Shumardia sagittula (104862) Shumardia sp. (104809 104856 104857 104868) |