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Opikina rugosa
Taxonomy
Rafinesquina rugosa was named by Wilson (1921). Its type specimen is GSC 6221 and is a 3D body fossil.
It was recombined as Opikina rugosa by Roy (1944) and Wilson (1946).
It was recombined as Opikina rugosa by Roy (1944) and Wilson (1946).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Rafinesquina rugosa Wilson p. 51 figs. pl. 3 f. 8-9 |
| 1944 | Opikina rugosa Roy p. 194 figs. f. 10.1 |
| 1946 | Opikina rugosa Wilson p. 91 figs. Text figure 10, No. 1 ; BIat-e VIIX, figures 22, 23 |
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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.
†Opikina rugosa Wilson 1921
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Chatfieldian to the top of the Maysvillian or 453.80000 to 449.60000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | Canada (Ontario) | Opikina rugosa (26274 26275 26276) | |
| Kirkfieldian | Canada (Ontario) | Opikina rugosa (26192) | |
| Chatfieldian | Canada (Ontario) | Opikina rugosa (26263 26270 26273 26277) | |
| Edenian - Maysvillian | Canada (Ontario) | Opikina rugosa (26294) |