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Rhicnonema antiquum
Taxonomy
Rhicnonema antiquum was named by Hofmann (1976). It is considered to be a form taxon. Its type specimen is GSC 42766 and is a 3D body fossil. Its type locality is GSC 42766, north end of Churchill Sound, Belcher Islands, which is in an Orosirian peritidal dolomite in the Kasegalik Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Rhicnonema antiquum Hofmann p. 1053 figs. Pl 1, figs 9,11-14,15?,16,17 |
| 1983 | Rhicnonema antiquum Wang et al. p. 170 fig. 22.8 |
| 1984 | Rhicnonema antiquum Nyberg and Schopf p. 755 fig. 10D,E |
| 1991 | Rhicnonema antiquum Hofmann and Jackson p. 368 figs. 5.7, 7.11 |
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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.
†Rhicnonema antiquum Hofmann 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Orosirian to the top of the Nemakit-Daldynian or 2050.00000 to 525.50000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Orosirian | Canada (Nunavut) | Rhicnonema antiquum (type locality: 227442 227447) | |
| Stenian | Canada (Nunavut) | Rhicnonema antiquum (227551 227554) | |
| Tonian | Russian Federation (Bashkortostan) | Rhicnonema antiquum (227759) | |
| Nemakit-Daldynian | China (Yunnan) | Rhicnonema antiquum (227764) |