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Primitiella constricta
Taxonomy
Primitiella constricta was named by Ulrich (1894). It is the type species of Primitiella.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Primitiella constricta Ulrich |
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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.
†Primitiella constricta Ulrich 1894
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: Shermanian or 457.30000 to 449.60000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | USA (Virginia) | Primitiella constricta (34214 34215 34216 34217 34218) | |
| Kirkfieldian | USA (Iowa) | Primitiella constricta (23214 23215) | |
| Kirkfieldian - Shermanian | USA (Minnesota) | Primitiella constricta (23177) | |
| Rocklandian | USA (Minnesota) | Primitiella constricta (219965) | |
| Rocklandian | USA (Iowa) | Primitiella constricta (23203 23207) | |
| Rocklandian | USA (Tennessee) | Primitiella constricta (5346) | |
| Rocklandian - Shermanian | USA (Minnesota) | Primitiella constricta (23123 23148 23174) | |
| Shermanian | USA (Iowa) | Primitiella constricta (23217 23219) |