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Orthoceras gradatum
Taxonomy
Orthoceras gradatum was named by Gemmellaro (1889).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Orthoceras gradatum Gemmellaro p. 102 figs. Pl 12, figs 1-4 |
| 1930 | Orthoceras gradatum de Gregorio p. 13 figs. Pl 2, fig 18 |
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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.
†Orthoceras gradatum Gemmellaro 1889
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 3 | 10.9 | 9.00 | 12.0 | 12.0 | 1.73 |
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||