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Zonovia (Xenostephanoides) thurrelli
Taxonomy
Aulacostephanus (Xenostephanoides) thurrelli was named by Arkell and Callomon (1963).
It was recombined as Zonovia (Xenostephanoides) thurrelli by Mesezhnikov (1984).
It was recombined as Zonovia (Xenostephanoides) thurrelli by Mesezhnikov (1984).
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Aulacostephanus (Xenostephanoides) thurrelli Arkell and Callomon p. 230 figs. Pl 30, figs 1-3 |
| 1984 | Zonovia (Xenostephanoides) thurrelli Mesezhnikov p. 120 figs. Pl 24, fig 2; pl 27, fig 3; pl 28, fig 2 |
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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.
†Zonovia (Xenostephanoides) thurrelli Arkell and Callomon 1963
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 12.0 | |||||
| shell diameter | 1 | 37.0 | |||||
| shell inflation | 1 | 17.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Kimmeridgian or 155.70000 to 150.80000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Kimmeridgian | Russian Federation (Krasnoyarsk) | Zonovia thurrelli (164312 164316) |