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Hiscobeccus arcticus
Taxonomy
Rhynchotrema capax arcticum was named by Roy (1941). Its type specimen is FM P28277 and is a 3D body fossil.
It was recombined as Lepidocyclus arcticus by Miller et al. (1954); it was recombined as Rhynchotrema arcticum by Bolton (1977); it was recombined as Lepidocyclus arctica by Bolton (2000); it was recombined as Hiscobeccus arcticus by Sohrabi Hashjin (2013).
It was recombined as Lepidocyclus arcticus by Miller et al. (1954); it was recombined as Rhynchotrema arcticum by Bolton (1977); it was recombined as Lepidocyclus arctica by Bolton (2000); it was recombined as Hiscobeccus arcticus by Sohrabi Hashjin (2013).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Rhynchotrema anticostiense breve Roy p. 100 fig. 67 |
| 1941 | Rhynchotrema capax arcticum Roy p. 100 fig. 66 |
| 1954 | Lepidocyclus arcticus Miller et al. |
| 1977 | Rhynchotrema arcticum Bolton p. 68 figs. pl. 15, figs. 8-10 |
| 2000 | Lepidocyclus arctica Bolton figs. Pl. 20, fig. 9-11, 13-15, 20 |
| 2000 | Lepidocyclus breve Bolton figs. Pl, 20, fig.19, 24 |
| 2013 | Hiscobeccus arcticus Sohrabi Hashjin pp. 126 - 127 figs. 3.11 (images M–W), 3.15, 3.16 |
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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.
†Hiscobeccus arcticus Roy 1941
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Invalid names: Hiscobeccus breve Roy 1941 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Edenian or 451.00000 to 450.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wildernessian | Canada (Northwest Territories) | Rhynchotrema arcticum (26946) | |
| Chatfieldian - Edenian | Canada (Nunavut) | Rhynchotrema arcticum (24116) | |
| Chatfieldian - Maysvillian | Canada (Nunavut) | Lepidocyclus arctica (192776) | |
| Edenian - Maysvillian | Canada (Nunavut) | Lepidocyclus arcticus, Lepidocyclus breve (24120) |