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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Idoceras balderum
Taxonomy
Ammonites balderus was named by Oppel (1863).
It was recombined as Idoceras balderum by Howarth (1998) and Enay and Howarth (2017).
It was recombined as Idoceras balderum by Howarth (1998) and Enay and Howarth (2017).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1863 | Ammonites balderus Oppel |
| 1998 | Idoceras balderum Howarth p. 59 |
| 2017 | Idoceras balderum Enay and Howarth p. 3 fig. 3 |
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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.
†Idoceras balderum Oppel 1863
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Kimmeridgian or 157.30000 to 152.10000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | France | Idoceras balderum (12342 12343) | |
| Kimmeridgian | Algeria | Idoceras balderum (45062 45064 45066) | |
| Tithonian - Kimmeridgian | Yemen (Wadi Hajar) | Idoceras balderum (2617) |