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Ceraurinella polydorus
Taxonomy
Cheirurus polydorus was named by Billings (1865) [Lectotype selected by Whittington 1965]. Its type specimen is GSC 685 (lectotype), a cephalon/head (cranidium), and it is a 3D body fossil.
It was recombined as Ceraurinus polydorus by Barton (1913), Raymond (1925); it was recombined as Ceraurinella polydorus by Whittington (1965).
It was recombined as Ceraurinus polydorus by Barton (1913), Raymond (1925); it was recombined as Ceraurinella polydorus by Whittington (1965).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Cheirurus polydorus Billings p. 286 |
| 1913 | Ceraurinus polydorus Barton p. 548 |
| 1925 | Ceraurinus polydorus Raymond p. 143 |
| 1965 | Ceraurinella polydorus Whittington p. 408 |
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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.
†Ceraurinella polydorus Billings 1865
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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, Hendy 2009, Harrington et al. 1959 | |||||
Age range: Whiterockian or 471.30000 to 457.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | Canada (Newfoundland and Labrador) | Ceraurinella polydorus (104861) Cheirurus polydorus (104807) | |
| Whiterockian | Canada (Newfoundland and Labrador) | Ceraurinella polydorus (104862) |