| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Yabeiceras costatum
Taxonomy
Yabeiceras costatum was named by Collignon (1965) [DISTRIBUTION: Coniacian; southern Africa.]. It is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Yabeiceras costatum Collignon p. 87 figs. pl. 454, fig. 1841 |
| 1983 | Yabeiceras costatum Kennedy and Wright p. 309 figs. pl. 454, fig. 1841 |
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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.
†Yabeiceras costatum Collignon 1965
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 21.5 | |||||
| shell diameter | 1 | 68.0 | |||||
| shell inflation | 1 | 29.2 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Coniacian or 89.30000 to 85.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Coniacian | South Africa | Yabeiceras costatum (82457) |