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Hyperoartia
Taxonomy
Hyperoartia was named by Müller (1844). It is extant.
It was synonymized subjectively with Petromyzontes by Gadow (1898).
It was assigned to Marsipobranchii by Jordan (1963); and to Agnatha by Takezaki et al. (2003).
It was synonymized subjectively with Petromyzontes by Gadow (1898).
It was assigned to Marsipobranchii by Jordan (1963); and to Agnatha by Takezaki et al. (2003).
Synonymy list
| Year | Name and author |
|---|---|
| 1844 | Hyperoartia Müller |
| 1963 | Hyperoartia Jordan p. 583 |
| 2003 | Hyperoartia Takezaki et al. p. 287 |
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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.
Unr. Hyperoartia Müller 1844
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Or. Petromyzontiformes Berg 1940 [lamprey]
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Fm. Geotriidae
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G. Caragola Gray 1851
G. Chilopterus Philippi 1858
G. Exomegas Burmeister 1868
G. Geotria Gray 1851
G. Macropthalmia Plate 1897
G. Neomordacia Castelnau 1872
G. Thysanochilus Philippi 1857
G. Velasia Gray 1851
G. Yarra Castelnau 1872
Fm. †Hardistiellidae Halstead 1993
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Fm. Petromyzontidae [lamprey]
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G. Agnathomyzon Gracianov 1906
G. Bathymyzon Gill 1883
G. Haploglossa Gracianov 1906
Subfm. Lampetrinae
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G. Caspiomyzon Berg 1906
G. Entosphenus Gill 1862
G. Eudontomyzon Regan 1911
G. Lampetra Gray 1851
G. Lethenteron Creaser and Hubbs 1922
G. Tetrapleurodon Creaser and Hubbs 1922
G. Lampreda Rafinesque 1815
G. Oceanomyzon Fowler 1908
G. Okkelbergia Creaser and Hubbs 1922
G. Pricus Rafinesque 1815
G. Reighardina Creaser and Hubbs 1922
G. Scolecosoma Girard 1859
Invalid names: Hyperoartii [synonym], Mayomyzontidae Bardack and Zangerl 1971 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004, Whittington et al. 1997 | |||||
Age range
Maximum range based only on fossils: base of the Frasnian to the top of the Early/Lower Aptian or 382.31000 to 119.57000 Ma
Minimum age of oldest fossil (stem group age): 372.15 Ma
Minimum age of oldest fossil (stem group age): 372.15 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Frasnian | Canada (Quebec) | Euphanerops longaevus (179176) | |
| Famennian | South Africa (Eastern Cape) | Petromyzontiformes indet., Priscomyzon riniensis (68049) | |
| Arnsbergian | USA (Montana) | Hardistiella montanensis (116654) | |
| Moscovian | USA (Illinois) | Mayomyzon pieckoensis (132078) | |
| Early/Lower Cretaceous | China (Hebei) | Caeruleum gracilis, Caeruleum miraculum (237239) | |
| Late/Upper Barremian - Early/Lower Aptian | China (Nei Mongol) | Mesomyzon mengae (68047) |