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Eorobergia marginalis
Taxonomy
Robergia marginalis was named by Raymond (1925). Its type specimen is MCZ 1722, a cephalon/head (cranidium), and it is a 3D body fossil.
It was recombined as Eorobergia marginalis by Cooper (1953), Nikolaisen (1991) and Fortey and Bruton (2013).
It was recombined as Eorobergia marginalis by Cooper (1953), Nikolaisen (1991) and Fortey and Bruton (2013).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Robergia marginalis Raymond p. 61 figs. Plate 3, fig. 11 |
| 1953 | Eorobergia marginalis Cooper p. 21 |
| 1991 | Eorobergia marginalis Nikolaisen |
| 2013 | Eorobergia marginalis Fortey and Bruton |
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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.
†Eorobergia marginalis Raymond 1925
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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, Hendy et al. 2009 | |||||
Age range: Whiterockian or 470.00000 to 457.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | Canada (Quebec) | Eorobergia marginalis (111363 111461) | |
| Whiterockian | USA (Oklahoma) | Eorobergia marginalis (105612 105615) |