Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Birkeniiformes
Taxonomy
Birkeniiformes is an order. It is not extant.
It was assigned to Cephalaspidomorphi by Sepkoski (2002).
It was assigned to Cephalaspidomorphi by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
2002 | Birkeniiformes Sepkoski |
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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, subp = subphylum | |||||
References: Carroll 1988, Hendy et al. 2009 |
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Llandovery - Wenlock | United Kingdom (Scotland) | Birkenia sp. (26889) | |
Wenlock - Ludlow | United Kingdom (Scotland) | Birkenia sp., Lasanius sp. (26906) | |
Ludlow | United Kingdom (Scotland) | Birkenia sp., Lasanius sp. (26896) |