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Calvinaria bransoni
Taxonomy
Calvinaria bransoni was named by Stainbrook (1948). Its type specimen is USNM 135269, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1948 | Calvinaria bransoni Stainbrook p. 774 figs. pl. 2. f. 12-14 |
| 1982 | Calvinaria bransoni Cooper and Dutro pp. 80 - 81 figs. Plate 18, figures 23-27: plate 19, figures 22-50: plate 40, figures 32-39 |
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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.
†Calvinaria bransoni Stainbrook 1948
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. A. Cooper and J. T. Dutro 1982 | Strongly costate Calvinaria having two prominent costae defining the fold and one in the sulcus. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Late/Upper Frasnian or 379.50000 to 376.10000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Frasnian | USA (Iowa) | Calvinaria bransoni (35498 35499) | |
| Frasnian | USA (New Mexico) | Calvinaria bransoni (219869 219871) | |
| Late/Upper Frasnian | USA (Iowa) | Calvinaria bransoni (35503) |