Fossil group: Conodonta
Genus Amorphognathus Branson et Mehl, 1933

Taxon ID: 4165 | 2013-01-10 / 2016-05-01
Belongs to: Conodonta
Sister taxa: Acanthodus | Acodus | Acontiodus | Amydrotaxis | Ansella | Aphelognathus | Apsidognathus | Aspelundia | Astropentagnathus | Aulacognathus | Baltoniodus | Belodina | Complexodus | Cornuodus | Coryssognathus | Costiconus | Ctenognathodus | Dapsilodus | Decoriconus | Distomodus | Drepanodus | Drepanoistodus | Dzikodus | Eoconodontus | Erraticodon | Eucharodus | Gothodus | Hamarodus | Histiodella | Iapetognathus | Icriodella | Icriognathus | Juanognathus | Jumudontus | Kockelella | Lenodus | Microzarkodina | Noixodontus | Nudibelodina | Oelandodus | Oepikodus | Oistodus | Oslodus | Ozarkodina | Paltodus | Panderodus | Paracordylodus | Parapanderodus | Paroistodus | Periodon | Phragmodus | Plectodina | Polonodus | Polygnathoides | Pranognathus | Prioniodus | Proconodontus | Protopanderodus | Pseudobelodina | Pseudooneotodus | Pterospathodus | Pygodus | Rossodus | Sagittodontina | Scabbardella | Scalpellodus | Scandodus | Scolopodus | Semiacontiodus | Spinodus | Stolodus | Strachanognathus | Toxodontus | Trapezognathus | Triangulodus | Tripodus | Variabiloconus | Venoistodus | Walliserodus | Wurmiella | Zieglerodina
Contains: Amorphognathus complicatus | Amorphognathus duftonus | Amorphognathus inaequalis | Amorphognathus ordovicicus | Amorphognathus superbus | Amorphognathus tvaerensis | Amorphognathus ventilatus
Stratigraphic range: Sandbian Hirnantian | ~ 460,9–443,7 Ma
Baltoscandian species (in database): 7

Selection of related publications

  • Männik, 2017. Conodont biostratigraphy of the Oandu Stage (Katian, Upper Ordovician) in NE Estonia [DOI]
  • Männik et al., 2015. Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, Sweden [DOI]
  • Kaljo et al., 2012b. More about the Ordovician-Silurian transition beds at Mirny Creek, Omulev Mountains, NE Russia: carbon isotopes and conodonts [DOI]
  • Männik & Viira, 2012. Ordovician conodont diversity in the northern Baltic [DOI]
  • Viira, 2008. Conodont biostratigraphy in the Middle-Upper Ordovician boundary beds of Estonia [DOI]
  • Kaljo et al., 2008a. The succesion of Hirnantian events based on data from Baltica: brachiopods, chitinozoans, conodonts, and carbon isotopes [DOI]
  • Viira et al., 2006b. Conodonts of the Kiviõli Member, Viivikonna Formation (Upper Ordovician) in the Kohtla section, Estonia
  • Viira, 1974. Ordovician conodonts of the East Baltic
  • Viira, 1972. On Symmetry of Some Middle Ordovician Conodonts
  • Viira, 1967. Ordovician conodont succession in the Ohesaare core

Taxon occurrences on map


Identifications of taxon in collection specimens

Taxon images

Amorphognathus tvaerensis Bergström, 1962, GIT 449-1
GIT 449-1 Amorphognathus tvaerensis Bergström, 1962
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, GIT 573-7
GIT 573-7
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, GIT 573-8
GIT 573-8
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Amorphognathus ordovicicus Branson et Mehl, 1933, GIT 573-9
GIT 573-9 Amorphognathus ordovicicus Branson et Mehl, 1933
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-2
GIT 449-2 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-3
GIT 449-3 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-4
GIT 449-4 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-5
GIT 449-5 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-6
GIT 449-6 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-7
GIT 449-7 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-8
GIT 449-8 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-9
GIT 449-9 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-10
GIT 449-10 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-11
GIT 449-11 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-11
GIT 449-11 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 449-12
GIT 449-12 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-1
GIT 549-1 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-2
GIT 549-2 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-3
GIT 549-3 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-4
GIT 549-4 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-5
GIT 549-5 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-6
GIT 549-6 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-7
GIT 549-7 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-8
GIT 549-8 Amorphognathus tvaerensis Bergström, 1962
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Amorphognathus tvaerensis Bergström, 1962, GIT 549-9
GIT 549-9 Amorphognathus tvaerensis Bergström, 1962
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