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Agnatha (jawless fish)
Taxonomy
Agnatha was named by Cope (1889). It is extant.
It was reranked as the superclass Agnatha by Ritchie and Gilbert-Tomlinson (1977).
It was assigned to Vertebrata by Säve-Söderbergh (1934), Ritchie and Gilbert-Tomlinson (1977), Dineley and Metcalf (1999), Shu et al. (1999), Takezaki et al. (2003).
It was reranked as the superclass Agnatha by Ritchie and Gilbert-Tomlinson (1977).
It was assigned to Vertebrata by Säve-Söderbergh (1934), Ritchie and Gilbert-Tomlinson (1977), Dineley and Metcalf (1999), Shu et al. (1999), Takezaki et al. (2003).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Agnatha Cope |
| 1934 | Agnathi Säve-Söderbergh p. 17 |
| 1977 | Agnatha Ritchie and Gilbert-Tomlinson p. 367 |
| 1999 | Agnatha Dineley and Metcalf p. 11 |
| 1999 | Agnatha Shu et al. p. 43 |
| 2003 | Agnatha 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.
Cl. Agnatha Cope 1889 [jawless fish]
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Invalid names: Loganiida Turner 1991 [empty], Myllokunmingiida Shu 2003 [empty], Pituriaspida Young 1991 [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, Whittington et al. 1997, Kiessling 2004 | |||||
Age range: base of the Franconian to the top of the Emsian or 497.00000 to 393.47000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Franconian | USA (Wyoming) | Anatolepis heintzi (238626) | |
| Moridunian | Bolivia | Pircanchaspis rinconensis (90413) | |
| Arenig | Norway | Anatolepis heintzi (90321) | |
| Llanvirn | Norway | Anatolepis heintzi (67174) | |
| Rocklandian | USA (Wisconsin) | Anatolepis heintzi (90362) | |
| Shermanian | USA (Wisconsin) | Anatolepis heintzi (90366) | |
| Hirnantian | South Africa | Agnatha indet. (26994) | |
| Rootsikula | Estonia | Saarolepis oeselensis (13824) | |
| Paadla | Estonia | Saarolepis oeselensis (13825 13826) | |
| Early/Lower Devonian | Germany | Agnatha indet. (239016) | |
| Emsian | USA (Alaska) | Agnatha indet. (113022 113023) |