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Calliostoma contextum
Taxonomy
Trochus (Ziziphinus) contextus was named by Seguenza (1885).
It was recombined as Calliostoma contextum by Gemmellaro (1911).
It was recombined as Calliostoma contextum by Gemmellaro (1911).
Sister species lacking formal opinion data
C. bella, C. caribbeanum, C. depressa, C. deshayesi, C. doliarum, C. dryope, C. etchegoinense, C. interruptum, C. kleppi, C. mapucherum, C. nicolum, C. nudum, C. papilla, C. poppelacki, C. silicatum, C. singunese, C. sinistrorsum, C. styricum, C. subexcavata, C. tauromiliare, C. yucatecanum, C. zonamesta, C. laureatum, C. kikaianum, C. striphna, C. covacevichi, C. ikebei
Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Trochus (Ziziphinus) contextus Seguenza |
| 1911 | Calliostoma contextum Gemmellaro p. 227 figs. Pl 9, fig 28 |
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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.
†Calliostoma contextum Seguenza 1885
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Abbott and Dance 1986, Kiessling 2004 | |||||
Age range: Early/Lower Pliensbachian or 189.60000 to 183.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliensbachian | Italy (Messina) | Calliostoma contextum (173593) |