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Calliostoma nonurum
Taxonomy
Calliostoma nonurum was named by Pilsbry and Olsson (1941). It is extant. Its type locality is Zone J - Canoa Formation, which is in a Piacenzian/Gelasian coastal sandstone/claystone in the Canoa Formation of Ecuador.
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 |
|---|---|
| 1941 | Calliostoma nonurum Pilsbry and Olsson |
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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 nonurum Pilsbry and Olsson 1941
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Kiessling 2004, Abbott and Dance 1986 | |||||
Age range: base of the Piacenzian to the top of the Gelasian or 3.60000 to 1.80600 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Piacenzian - Gelasian | Ecuador (Manabi) | Calliostoma nonurum (type locality: 51878) |