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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Stiphrothyris helenae
Taxonomy
Terebratula helenae was named by Bayle (1878).
It was recombined as Stiphrothyris helenae by Alméras (1970).
It was recombined as Stiphrothyris helenae by Alméras (1970).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Terebratula helenae Bayle figs. Pl. 7, Fig. 3 |
| 1970 | Stiphrothyris helenae Alméras p. 312 figs. Pl. 51, Fig. 6; Pl. 54a-b |
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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.
†Stiphrothyris helenae Bayle 1878
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 21.2 | 17.9 | 27.3 | 19.5 | 5.03 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Late/Upper Bajocian or 168.60000 to 168.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Parkinsoni | France | Stiphrothyris helenae (170581) | |
| Late/Upper Bajocian | France | Stiphrothyris helenae (169973 170541) |