| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Acastella heberti elsana was named by Richter and Richter (1954).
It was recombined as Acastella elsana by Tomczyk et al. (1977).
It was recombined as Acastella elsana by Tomczyk et al. (1977).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Acastella heberti elsana Richter and Richter |
| 1977 | Acastella elsana Tomczyk et al. |
| 2020 | Acastella heberti elsana Lemke p. 198 |
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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.
†Acastella heberti elsana Richter and Richter 1954
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subo = suborder, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Lochkovian or 419.20000 to 410.80000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pridoli - Helderbergian | Ukraine | Acastella heberti (23488) | |
| Lochkovian | Poland | Acastella elsana (13878 13886 13890 146007) | |
| Lochkovian | Ukraine | Acastella heberti (23362) Acastella heberty (46578) |