| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cytherina spinosa
Taxonomy
Cytherina spinosa was named by Hall (1852).
It was recombined as Paraechmina spinosa by Benson et al. (1961).
It was recombined as Paraechmina spinosa by Benson et al. (1961).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Cytherina spinosa Hall |
| 1920 | Beyrichia (Gibba) spinosa Fuchs |
| 1961 | Paraechmina spinosa Benson et al. p. Q127 |
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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: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Sheinwoodian or 432.90000 to 430.60000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery - Ludlow | USA (Maryland) | Paraechmina spinosa (41128 41129) | |
| Sheinwoodian | USA (New York) | Paraechmina spinosa (82510 82535 82545 82559 82597) | |
| Wenlock | USA (New York) | Paraechmina spinosa (12935 26854 81782 81805 81813 81840 81873 81885 81898 81906 81917 81920 81922 82501) |