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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Heterodiceratinae
Taxonomy
Heterodiceratinae was named by Pchelintsev (1959) [m. kosnik taxon no: 9286].
It was reranked as the family Heterodiceratidae by Nevesskaja (2009); it was synonymized subjectively with Epidiceratidae by Bouchet et al. (2010).
It was assigned to Diceratidae by Vokes (1980); and to Requienioidea by Nevesskaja (2009).
It was reranked as the family Heterodiceratidae by Nevesskaja (2009); it was synonymized subjectively with Epidiceratidae by Bouchet et al. (2010).
It was assigned to Diceratidae by Vokes (1980); and to Requienioidea by Nevesskaja (2009).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Heterodiceratinae Pchelintsev |
| 1980 | Heterodiceratinae Vokes p. 194 |
| 2009 | Heterodiceratidae Nevesskaja |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2003, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Tithonian | Germany (Bavaria) | Paradiceras aequivalve, Paradiceras inaequivalve (57791) |