| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Brittsia problematica
Taxonomy
Brittsia problematica was named by White (1899). It is not extant. It is the type species of Brittsia.
Synonymy list
| Year | Name and author |
|---|---|
| 1899 | Brittsia problematica White |
| 1976 | Brittsia problematica Pfefferkorn |
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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.
†Brittsia problematica White 1899
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. W. Pfefferkorn 1976 | combined and rephrased description from White and Nemejc. Previous authors: White (1899), Nemejc (1938), Cridland (1966), and Barthel (1968) were more concerned with the systematic position of Brittsia. |
Measurements
No measurements are available
No ecological data are available
Age range: Podolskian or 311.45000 to 309.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kashirian - Myachkovian | USA (Missouri) | Brittsia problematica (34092) | |
| Podolskian | Czech Republic | Brittsia problematica (34121) | |
| Podolskian | USA (Indiana) | Brittsia problematica (34124) |