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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Retroceramus subtilis
Taxonomy
Retroceramus subtilis was named by Sey (1972). It is not extant.
It was recombined as Mytiloceramus subtilis by Sey and Kalacheva (1980).
It was recombined as Mytiloceramus subtilis by Sey and Kalacheva (1980).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Retroceramus subtilis Sey |
| 1980 | Mytiloceramus subtilis Sey and Kalacheva |
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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.
†Retroceramus subtilis Sey 1972
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class | |||||
| References: Eaton 1871, Kiessling 2003, Aberhan et al. 2004 | |||||
Age range: Early/Lower Aalenian or 175.60000 to 171.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aalenian | Russian Federation | Mytiloceramus subtilis (129811) |