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Belopteridae
Taxonomy
Belopteridae was named by Naef (1922). It is not extant.
It was assigned to Belopteroidae by Kretzoi (1942); to Sepiida by Jeletzky (1966); and to Spirulida by Doyle et al. (1994).
It was assigned to Belopteroidae by Kretzoi (1942); to Sepiida by Jeletzky (1966); and to Spirulida by Doyle et al. (1994).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1922 | Belopteridae Naef |
| 1942 | Belopteridae Kretzoi p. 134 |
| 1966 | Belopteridae Jeletzky p. 106 |
| 1994 | Belopteriidae Doyle et al. 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.
Fm. †Belopteridae Naef 1922
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G. †Belocurta Avnimelech 1956
G. †Belopteridium Naef 1921
G. †Belopterina Munier-Chalmas 1872
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Danian to the top of the Lutetian or 66.00000 to 41.30000 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Netherlands | Beloptera sp. (123971) | |
| Paleocene | Austria (Salzburg) | Beloptera broilii (84335) | |
| Lutetian | United Kingdom (England) | Beloptera belemnoidea (8124) |