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Sphaerocoryphe robusta
Taxonomy
Sphaerocoryphe robustus was named by Walcott (1875) [Holotype also figured by Shaw (1968, Pl. 14, fig. 1) and Ludvigsen (1978, figs. 32D). Hypotypes: GSC 40451, 44254-44270, 40452 (Ludvigsen 1979)]. Its type specimen is MCZ 7567, an exoskeleton, and it is a 3D body fossil.
It was corrected as Sphaerocoryphe robusta by Brett et al. (1999).
It was corrected as Sphaerocoryphe robusta by Brett et al. (1999).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Sphaerocoryphe robustus Walcott p. 273 figs. figs. 18a, b |
| 1995 | Sphaerocoryphe robustus Lespérance and Desbiens |
| 1999 | Sphaerocoryphe robusta Brett et al. p. 300 fig. 8.2 |
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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.
†Sphaerocoryphe robusta Walcott 1875
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy 2009 | |||||
Age range: base of the Chatfieldian to the top of the Edenian or 453.80000 to 450.20000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Shermanian - Edenian | Canada (Northwest Territories) | Sphaerocoryphe robustus (24637) | |
| Rocklandian - Kirkfieldian | Canada (Northwest Territories) | Sphaerocoryphe robustus (24635) | |
| Chatfieldian | USA (New York) | Sphaerocoryphe robusta (181521) | |
| Edenian | Canada (Northwest Territories) | Sphaerocoryphe robustus (24636) | |
| Edenian | Canada (Quebec) | Sphaerocoryphe robustus (163865) |