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Spironemella dignitas
Taxonomy
Cinclidonema dignitas was named by Waterhouse (1963). Its type specimen is TM 3328, a shell, and it is a 3D body fossil. Its type locality is GS5296, Gibraltar Burn (D44/f9511), which is in an Artinskian marine sandstone in New Zealand. It is the type species of Spironemella.
It was recombined as Spironemella dignitas by Waterhouse (1980).
It was recombined as Spironemella dignitas by Waterhouse (1980).
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Cinclidonema dignitas Waterhouse p. 818 figs. 1, 4-6 |
| 1980 | Spironemella dignitas Waterhouse pp. 205 – 206 figs. 3-4 |
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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.
†Spironemella dignitas Waterhouse 1963
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1980 | "High spired shell with fine spiral costae." |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 36.4 | 25.0 | 55.0 | 35.0 | 15.3 | |
| shell diameter | 3 | 25.0 | - | - | 25.0 | - |
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Kiessling 2004, Knight et al. 1960, Batten 1984 | |||||
Age range: Artinskian or 290.10000 to 279.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | New Zealand | Cinclidonema dignitas (type locality: 52697) | |
| Artinskian | New Zealand (Southland) | Spironemella dignitas (41793) |