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Percopsiformes
Taxonomy
Percopsiformes was named by Berg (1940). It is extant.
It was assigned to Percopsaria by Betancur et al. (2013); to Paracanthopterygii by Nelson (2006), Long (2011), Nelson et al. (2016); and to Paracanthopterygii by van der Laan (2019).
It was assigned to Percopsaria by Betancur et al. (2013); to Paracanthopterygii by Nelson (2006), Long (2011), Nelson et al. (2016); and to Paracanthopterygii by van der Laan (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Percopsiformes Berg |
| 2006 | Percopsiformes Nelson |
| 2011 | Percopsiformes Long p. 243 |
| 2013 | Percopsiformes Betancur et al. |
| 2016 | Percopsiformes Nelson et al. p. 287 |
| 2019 | Percopsiformes van der Laan p. 72 |
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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.
Or. Percopsiformes Berg 1940
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Fm. Percopsidae Regan 1911
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G. †Amphiplaga Cope 1877
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G. †Erismatopterus Cope 1871
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G. †Libotonius Wilson 1977
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†Libotonius blakeburnensis Wilson 1977
†Libotonius pearsoni Wilson 1979
G. Percopsis Agassiz 1849
G. †Percopsiformorum Berg 1940
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†Percopsiformorum enigmaticus Schwarzhans 2003
†Percopsiformorum resonus Schwarzhans 2004
Invalid names: Amblyopsidae [empty], Aphredoderidae [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Carroll 1988, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Maastrichtian to the top of the Lutetian or 72.20000 to 41.03000 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lancian | USA (Wyoming) | Percopsiformes indet. (14519) | |
| Lancian | USA (Montana) | Percopsiformes indet. (14549 144502 192247) | |
| Late/Upper Maastrichtian | Canada (Alberta) | Percopsiformes indet. (190346) | |
| Danian | Greenland | Percopsiformorum resonus (22943) | |
| Paleocene | Canada (Alberta) | Percopsidae indet. (24926) | |
| Selandian | Denmark | Percopsiformorum enigmaticus (159792 159793) | |
| Tiffanian | Canada (Alberta) | Paracanthopterygia indet. (22732) | |
| Late/Upper Paleocene | Canada (Alberta) | Percopsidae indet. (133214) | |
| Wasatchian | USA (Utah) | Percopsiformes indet. (198248) | |
| Wasatchian | USA (Wyoming) | Amblyopsidae indet. (192130) Amphiplaga sp. (74617) | |
| Ypresian | Canada (British Columbia) | Libotonius blakeburnensis (144348 204404) | |
| Lutetian | USA (Washington) | Libotonius pearsoni (189961) | |
| Lutetian | Canada (British Columbia) | Libotonius sp. (189959) |