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Bifolium
Taxonomy
Bifolium is a genus. It is not extant.
It was assigned to Thecideida by Sepkoski (2002); and to Thecidellininae by Williams et al. (2006).
It was assigned to Thecideida by Sepkoski (2002); and to Thecidellininae by Williams et al. (2006).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Bifolium Sepkoski |
| 2006 | Bifolium Williams et al. p. 1949 |
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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.
G. †Bifolium
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Aptian to the top of the Priabonian or 121.40000 to 33.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | United Kingdom (England) | B. faringdonense (1854) | |
| Maastrichtian | Netherlands | B. longirostre (165094) | |
| Priabonian | Germany (Bavaria) | B. sp. (10703) |