| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Bicuspina subquadrata
Taxonomy
Bicuspina subquadrata was named by Williams (1974).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Bicuspina subquadrata Williams |
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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.
†Bicuspina subquadrata Williams 1974
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Soudleyan or 458.40000 to 457.20000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Harnagian | United Kingdom (Shropshire) | Bicuspina subquadrata (45323) | |
| Soudleyan | United Kingdom (Shropshire) | Bicuspina subquadrata (46885 46886 46887 46891 46892 46893) |