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Chondrosteidae
Taxonomy
Chondrosteidae was named by Egerton (1858).
It was assigned to Chondrostei by Jordan (1963); to Chondrosteoidei by Grande and Bemis (1996) and Grande and Hilton (2006); and to Chondrosteiformes by Nelson et al. (2016).
It was assigned to Chondrostei by Jordan (1963); to Chondrosteoidei by Grande and Bemis (1996) and Grande and Hilton (2006); and to Chondrosteiformes by Nelson et al. (2016).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Chondrosteidae Egerton |
| 1963 | Chondrosteidae Jordan p. 613 |
| 1996 | Chondrosteidae Grande and Bemis pp. 104-105 |
| 2006 | Chondrosteidae Grande and Hilton p. 35 |
| 2016 | Chondrosteidae Nelson et al. p. 118 |
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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. †Chondrosteidae Egerton 1858
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G. †Chondrosteus Agassiz 1843
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†Chondrosteus acipenseroides Egerton 1858
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Invalid names: Chondrosteus crassior Egerton 1858 [synonym]
†Chondrosteus pachyurus Egerton 1858
G. †Gyrosteus Agassiz 1843
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G. †Strongylosteus Jaeckel 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Early/Lower Sinemurian to the top of the Late/Upper Santonian or 196.50000 to 83.50000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sinemurian | United Kingdom (England) | Chondrosteus acipenseroides (122155) Chondrosteus acipenseroides, Chondrosteus crassior, Chondrosteus pachyurus (122154) Chondrosteus acipenseroides, Chondrosteus pachyurus (122153) | |
| Early/Lower Sinemurian | United Kingdom (England) | Chondrosteus sp., Chondrosteus pachyurus (122371) | |
| Falciferum | Germany | Gyrosteus mirabilis (207641) | |
| Toarcian | United Kingdom (England) | Gyrosteus mirabilis (122167 122372 122373 122374 122375) | |
| Late/Upper Santonian | Lebanon | Chondrosteus sp. (170327) |