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Ribeiria lucan
Taxonomy
Ozomia lucan was named by Walcott (1924). Its type specimen is USNM 209397, a shell, and it is a 3D body fossil. Its type locality is 66n. Cordilleran area from Glacier Lake near the head of the Saskatchewan River, which is in a Gasconadian carbonate limestone in Canada.
It was recombined as Ribeiria lucan by Kobayashi (1933), Pojeta and Runnegar (1976), Wagner (1997), Wagner (2023).
It was recombined as Ribeiria lucan by Kobayashi (1933), Pojeta and Runnegar (1976), Wagner (1997), Wagner (2023).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Ozomia lucan Walcott pp. 531 - 533 figs. pl. 126 f. 1-3, 3a |
| 1933 | Ribeiria lucan Kobayashi p. 289 |
| 1976 | Ribeiria lucan Pojeta and Runnegar p. 52 figs. pl. 8 f. 14-24 |
| 1997 | Ribeiria lucan Wagner |
| 2023 | Ribeiria lucan Wagner p. 3131 |
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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.
†Ribeiria lucan Walcott 1924
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Pojeta and B. Runnegar 1976 | Ribeiria with pegma at high angle to dorsal margin and with side muscles bundled into discontinuous attachment areas. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Gasconadian to the top of the Skullrockian or 486.85000 to 483.40000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Skullrockian | Canada (Alberta) | Ozomia lucan (157027) | |
| Gasconadian | Canada (Alberta) | Ozomia lucan (type locality: 157026) | |
| Gasconadian | USA (Utah) | Ozomia lucan (157036) |