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Amorphognathus

Conodonta - Prioniodontida - Balognathidae

Taxonomy
Amorphognathus was named by Branson and Mehl (1933) [Sepkoski's age data: O Aren-u O Ashg-u Sepkoski's reference number: 800]. It is not extant.

It was assigned to Conodontophorida by Sepkoski (2002); and to Balognathidae by Cooper (1977), Stouge and Bagnoli (1999) and Donoghue et al. (2008).

Synonyms
  • Balognathus was named by Rhodes (1953). It is not extant.

    It was synonymized subjectively with Amorphognathus by Cooper (1977).
Synonymy list
YearName and author
1933Amorphognathus Branson and Mehl
1953Balognathus Rhodes
1977Amorphognathus Cooper p. 1066
1999Amorphognathus Stouge and Bagnoli p. 153
2002Amorphognathus Sepkoski
2008Amorphognathus Donoghue et al. p. 138

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumConodontophorida()
classConodonta
orderPrioniodontida(Dzik 1976)
familyBalognathidaeHass 1959
genusAmorphognathusBranson and Mehl 1933

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.

G. †Amorphognathus Branson and Mehl 1933
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Amorphognathus duftonus Rhodes 1955
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Invalid names: Goniodontus lindstroemi Serpagli 1967 [synonym]
Amorphognathus ordovicicus Bergström and Bergström 1996
Amorphognathus superbus Rhodes 1953
Amorphognathus ventilatus Ferretti and Barnes 1997
Invalid names: Balognathus Rhodes 1953 [synonym]
Diagnosis
No diagnoses are available