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Calliostoma (Tristichotrochus)
Taxonomy
Tristichotrochus was named by Ikebe (1942) [Sepkoski's age data: T Ol R]. It is extant.
It was reranked as Calliostoma (Tristichotrochus) by MacNeil (1960).
It was assigned to Calliostoma by MacNeil (1960); and to Archaeogastropoda by Sepkoski (2002).
It was reranked as Calliostoma (Tristichotrochus) by MacNeil (1960).
It was assigned to Calliostoma by MacNeil (1960); and to Archaeogastropoda by Sepkoski (2002).
Species lacking formal opinion data
Calliostoma bella, Calliostoma caribbeanum, Calliostoma covacevichi, Calliostoma depressa, Calliostoma deshayesi, Calliostoma doliarum, Calliostoma dryope, Calliostoma etchegoinense, Calliostoma ikebei, Calliostoma interruptum, Calliostoma kikaianum, Calliostoma kleppi, Calliostoma laureatum, Calliostoma mapucherum, Calliostoma nicolum, Calliostoma nudum, Calliostoma papilla, Calliostoma poppelacki, Calliostoma silicatum, Calliostoma singunese, Calliostoma sinistrorsum, Calliostoma striphna, Calliostoma styricum, Calliostoma subexcavata, Calliostoma tauromiliare, Calliostoma yucatecanum, Calliostoma zonamesta
Synonymy list
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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.
Subg. Calliostoma (Tristichotrochus) Ikebe 1942
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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 Langhian to the top of the Pleistocene or 15.97000 to 0.01170 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Langhian | Japan | Tristichotrochus sp. (44958 44961) | |
| Pleistocene | Japan | Calliostoma consors (97028) |