 |
| Aulacognathus kuehni Pa element |
| Hughley Shales, Telychian Stage, Llandovery Series, Silurian |
| Devils Dingle, nr. Buildwas, Shropshire |
|
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| Apsidognathus tuberculatus Pa element |
| Wych Formation, Telychian Stage, Llandovery Series, Silurian |
| Gullet Quarry, Malvern Hills, UK |
|
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| Distomodus staurognathoides Pa element |
| Hughley Shales, Telychian Stage, Llandovery Series, Silurian |
| Devils Dingle, nr. Buildwas, Shropshire |
|
 |
| Eoplacognathus sp. Pa element |
| Middle Ordovician |
| Suhkrumagi Section, Tallinn, Estonia |
|
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| Eoplacognathus sp. Pb element |
| Middle Ordovician |
| Suhkrumagi Section, Tallinn, Estonia |
|
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| Gamachignathus macroexcavatus Pa element |
| Upper Member, Xiushan Formation, Llandovery Series, Silurian |
| Leijiatun Section nr. Shiqian, Guizhou Province, China |
|
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| Gamachignathus macroexcavatus Pb element |
| Upper Member, Xiushan Formation, Llandovery Series, Silurian |
| Leijiatun Section nr. Shiqian, Guizhou Province, China |
|
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| Gamachignathus macroexcavatus Sa element |
| Upper Member, Xiushan Formation, Llandovery Series, Silurian |
| Leijiatun Section nr. Shiqian, Guizhou Province, China |
|
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| Gamachignathus macroexcavatus Sb element |
| Upper Member, Xiushan Formation, Llandovery Series, Silurian |
| Leijiatun Section nr. Shiqian, Guizhou Province, China |
|
 |
| Gamachignathus macroexcavatus Sc element |
| Upper Member, Xiushan Formation, Llandovery Series, Silurian |
| Leijiatun Section nr. Shiqian, Guizhou Province, China |
|
 |
| Icriodella inconstans Pa element |
| Wych Formation, Telychian Stage, Llandovery Series, Silurian |
| Storridge, Malvern Hills, UK |
|
 |
| Ozarkodina gulletensis Pa element |
| Wych Formation, Telychian Stage, Llandovery Series, Silurian |
| Storridge, Malvern Hills, UK |
|
 |
| Pseudooneotodus tricornis |
| Wych Formation, Telychian Stage, Llandovery Series, Silurian |
| Storridge, Malvern Hills, UK |