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Agnatha (jawless fish)

Agnatha - Redfieldiiformes - Brookvaliidae

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).

Entered
by J. Alroy on 2007-01-02; modified by A. Hendy on 2013-04-30

Synonymy list
YearName and author
1889Agnatha Cope
1934Agnathi Säve-Söderbergh p. 17
1977Agnatha Ritchie and Gilbert-Tomlinson p. 367
1999Agnatha Dineley and Metcalf p. 11
1999Agnatha Shu et al. p. 43
2003Agnatha Takezaki et al. p. 287

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
HalecostomiRegan 1903
RankNameAuthor
infraclassChondrosteiMüller 1844
infraclassActinopteri()
orderRedfieldiiformes(Berg 1940)
familyBrookvaliidaeBerg 1940
NeopterygiiRegan 1923
classAgnathaCope 1889
genusAgnatha

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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G. †Muzaffarabadmachli Malkani 2019
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G. †Pircanchaspis Erdtmann et al. 2000
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Pircanchaspis rinconensis Erdtmann et al. 2000
G. †Saarolepis Robertson 1945
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Invalid names: Anaspis Robertson 1941 [replaced]
Invalid names: Loganiida Turner 1991 [empty], Myllokunmingiida Shu 2003 [empty], Pituriaspida Young 1991 [empty]
Diagnosis
No diagnoses are available