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Stantonoceras depressum
Taxonomy
Placenticeras depressum was named by Hyatt (1903).
It was recombined as Stantonoceras depressum by Wiedmann (1978), Summesberger (1979).
It was recombined as Stantonoceras depressum by Wiedmann (1978), Summesberger (1979).
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Placenticeras depressum Hyatt |
| 1978 | Stantonoceras depressum Wiedmann p. 667 figs. Pl 1, figs 1,2; text-figs 2B,3A |
| 1979 | Stantonoceras depressum Summesberger p. 145 figs. Pl 10, figs 42,43; pl 11, figs 44-47; pl 12, figs 48-52; text-figs 31-37 |
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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.
†Stantonoceras depressum Hyatt 1903
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 20 | 39.7 | 19.7 | 65.3 | 44.8 | 15.1 | |
| shell diameter | 20 | 87.1 | 38.2 | 151.2 | 99.7 | 37.5 | |
| shell inflation | 20 | 17.3 | 6.10 | 38.0 | 21.6 | 9.24 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Santonian or 85.70000 to 83.60000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Santonian | Austria | Stantonoceras depressum (177758 178860 178863 178915) |