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Anechophragma rarum
Taxonomy
Anechophragma rarum was named by Neuman (1976) [= Ujukella fastigata Egerquist, 1999, p. 329, figs. 2, 3a–3k.]. Its type specimen is GSC 35077, a valve (dorsal valve), and it is a 3D body fossil. Its type locality is Virgin Arm, which is in a Darriwilian carbonate limestone in the Cobbs Arm Formation of Canada.
It was recombined as Calyptolepta rarum by Williams et al. (2000).
It was recombined as Calyptolepta rarum by Williams et al. (2000).
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Anechophragma rarum Neuman pp. 38 - 39 figs. Pl. 5, figs. 22-25 |
| 2000 | Calyptolepta rarum Williams et al. |
| 2013 | Anechophragma rarum Madison pp. 28 - 32 figs. Plate 5, figs. 1–11 |
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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.
†Anechophragma rarum Neuman 1976
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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: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Darriwilian to the top of the Kunda or 469.40000 to 464.30000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Volkhov | Russian Federation | Anechophragma rarum (185985 185986 185987 185988 185989 185990 185991) Ujukella fastigata (62340) | |
| Darriwilian | Canada (Newfoundland) | Anechophragma rarum (type locality: 185947) | |
| Kunda | Russian Federation | Anechophragma rarum (185992) |