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Opalia varicostata
Taxonomy
Opalia varicostata was named by Stearns (1875).
It was recombined as Epitonium varicostata by Nomland (1917); it was recombined as Opalia (Opalia) varicostata by Durham (1937).
It was recombined as Epitonium varicostata by Nomland (1917); it was recombined as Opalia (Opalia) varicostata by Durham (1937).
Sister species lacking formal opinion data
O. bezanconi, O. brawinderi, O. debouryi, O. forestii, O. grata, O. interrupta, O. plicosa, O. pusilla, O. rugosa, O. rugulosa, O. deboury, O. fratercula, O. plicata, O. pontileviensis, O. pumilio, O. rugatina, O. schacchi, O. rugifera, O. tehuacana, O. pertusa, O. pertusa, O. pusilla, O. pusilla, O. scacchii, O. soror, O. excentrica
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Opalia varicostata Stearns p. 463 figs. pl. 27, figs. 2-5 |
| 1875 | Opalia anomala Stearns p. 464 |
| 1903 | Opalia anomala Arnold p. 264 |
| 1903 | Opalia varicostata Arnold p. 267 |
| 1917 | Epitonium varicostata Nomland p. 221 |
| 1937 | Opalia (Opalia) varicostata Durham p. 502 |
| 1937 | Opalia (Opalia) varicostata granti Durham p. 502 |
| 1950 | Opalia varicostata Woodring and Bramlette |
| 1979 | Opalia varicostata DuShane p. 127 figs. Figures 65, 66, 67, 68 |
| 2021 | Opalia varicostata Hendy |
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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.
†Opalia varicostata Stearns 1875
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Invalid names: Opalia anomala Stearns 1875 [synonym]
Opalia (Opalia) varicostata granti Durham 1937
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Beu et al. 1990 | |||||
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliocene | USA (California) | Epitonium varicostata (220183) | |
| Pliocene | USA (California) | Opalia varicostata (237380) | |
| Zanclean - Gelasian | USA (California) | Opalia varicostata (214261 214266 214267) | |
| Late/Upper Pliocene | USA (California) | Opalia varicostata (237593) | |
| Piacenzian | USA (California) | Opalia varicostata (189541) | |
| Gelasian | USA (California) | Opalia varicostata (189555 207664) |