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Calymene nasuta
Taxonomy
Calymene nasuta was named by Ulrich (1879). Its type specimen is USNM 41871 and is a 3D body fossil. Its type locality is Napoleon, which is in a Sheinwoodian carbonate shale/limestone in the Osgood Formation of Indiana. It is the type species of Spathacalymene.
It was recombined as Spathacalymene nasuta by Tillman (1960).
It was recombined as Spathacalymene nasuta by Tillman (1960).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Calymene nasuta Ulrich pp. 131-134 figs. 1-3 |
| 1960 | Spathacalymene nasuta Tillman pp. 893 - 895 figs. Pl. 116, figs. 1-16 |
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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.
†Calymene nasuta Ulrich 1879
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Harrington et al. 1959 | |||||
Age range: Sheinwoodian or 433.40000 to 430.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | USA (Indiana) | Calymene nasuta (type locality: 192898) |