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Filifascigera
Taxonomy
Filifascigera was named by d'Orbigny (1853) [Sepkoski's age data: K u R]. It is extant.
It was assigned to Cyclostomata by Sepkoski (2002); and to Frondiporidae by Bassler (1953), Lee et al. (1997), Håkansson et al. (2024).
It was assigned to Cyclostomata by Sepkoski (2002); and to Frondiporidae by Bassler (1953), Lee et al. (1997), Håkansson et al. (2024).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Filifascigera d'Orbigny |
| 1953 | Filifascigera Bassler p. G56 |
| 1997 | Filifascigera Lee et al. |
| 2002 | Filifascigera Sepkoski |
| 2024 | Filifascigera Håkansson et al. p. 14 |
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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: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range: base of the Early/Lower Maastrichtian to the top of the Priabonian or 72.20000 to 33.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Maastrichtian | Australia (Western Australia) | F. invenusta (235527 235528 235531) | |
| Danian | Denmark | F. dichotoma (89866) | |
| Priabonian | New Zealand (North Otago) | F. sp. (172816) |