| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spirigerina marginaliformis
Taxonomy
Spirigerina marginaliformis was named by Alekseev (1960).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Spirigerina marginaliformis Alekseev |
| 1960 | Plectatrypa marginalis sibirica Rzhonsnitskaya |
| 1973 | Spirigerina marginaliformis Johnson et al. p. 50 figs. Pl 25, figs 1-7 |
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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.
†Spirigerina marginaliformis Alekseev 1960
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†Plectatrypa marginalis sibirica Rzhonsnitskaya 1960
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Early/Lower Lochkovian to the top of the Pragian or 419.62000 to 410.62000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Lochkovian | USA (Nevada) | Spirigerina marginaliformis (240739) | |
| Lochkovian | Canada (Northwest Territories) | Spirigerina marginaliformis (75580) | |
| Lochkovian | Australia (New South Wales) | Spirigerina marginaliformis (25706 25707) | |
| Lochkovian | Canada (Yukon) | Spirigerina marginaliformis (24931) | |
| Pragian | Australia (New South Wales) | Spirigerina marginaliformis (25696) |