| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Bifaxarioidea
Taxonomy
Bifaxarioidea was named by Busk (1884). It is extant. Its type is Bifaxaria.
It was assigned to Neocheilostomina by Gordon (2012).
It was assigned to Neocheilostomina by Gordon (2012).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Bifaxarioidea Busk |
| 2012 | Bifaxarioidea Gordon p. 6 |
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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.
Superfm. Bifaxarioidea Busk 1884
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Fm. †Bifaxariidae Busk 1884
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G. Aberrodomus Gordon 1988
G. Diplonotos Canu and Bassler 1930
G. Domosclerus Gordon 1988
G. Raxifabia Gordon 1988
G. Smithsonius Gordon 1988
Fm. †Platyglenidae Marsson 1887
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G. †Platyglena Marsson 1887
G. †Pnictoporopsis Voigt 1975
G. †Systenostoma Marsson 1887
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range
Maximum range based only on fossils: base of the Danian to the top of the Priabonian or 66.00000 to 33.90000 Ma
Minimum age of oldest fossil (stem group age): 61.66 Ma
Minimum age of oldest fossil (stem group age): 61.66 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Sweden | Systenostoma pontiferum (69603) | |
| Priabonian | Tonga (Eua) | Bifaxaria bryani, Bifaxaria diaphyota (166841 166842) |