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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Aucella marshalli was named by Trechmann (1923) [TYPE LOCALITY: Nugget Point, Otago (Uruoan: Pliensbachian-Toarcian). TYPE REPOSITORY: BMNH].
It was recombined as Pseudaucella marshalli by Marwick (1926), Speden (1979).
It was recombined as Pseudaucella marshalli by Marwick (1926), Speden (1979).
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Aucella marshalli Trechmann p. 269 figs. pl. 14, fig.s 2-4 |
| 1926 | Pseudaucella marshalli Marwick p. 305 |
| 1979 | Pseudaucella marshalli Speden p. 521 figs. 1-11 |
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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.
†Pseudaucella marshalli Trechmann 1923
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 24.1 | 22.4 | 26.0 | 24.2 | 2.55 |
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| Source: f = family, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Pliensbachian to the top of the Toarcian or 192.90000 to 174.70000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliensbachian | New Zealand | Pseudaucella marshalli (50763 137848 137930) | |
| Toarcian | New Zealand | Pseudaucella marshalli (63809 63814 63831) |