Toarcien
Liste des espèces indice :
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Dactylioceras (Orthodactylites) tenuicostatum (Y. & B.) |
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| Paltarpites paltus BUCK. |
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Dactylioceras (Orthodactylites) semicelatum (SIMPSON) |
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Harpoceratoides septentinum (REIN.) |
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Eleganticeras elegantulum (Y. & B.) |
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Harpoceras falciferum (SOW.) |
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Hildoceras bifrons (BRUG.) |
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Hildoceras sublevisoni FUCINI |
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Haugia variabilis (d'ORB.) |
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Haugia illustris (DENCK.) |
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Haugia (Haugiella) vitiosa BUCK. |
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Grammoceras thouarsense (d'ORB.) |
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Pseudogrammoceras bingmanni (DENCK.) |
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Esericeras fascigerum (BUCK.) |
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Pseudogrammoceras fallaciosum (BAYLE) |
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| Phlyseogrammoceras dispansum (LYCETT) |
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| Hammatoceras insigne (SCHLÜBLER) |
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| Gruneria gruneri (DUMORTIER) |
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Dumortieria Pseudoradiosa (BRANCO) |
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Dumortieria levesquei (d'ORB.) |
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Pleydellia mactra (DUMORTIER) |
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Pleydellia aalensis (ZIETEN) |
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Pleydellia (Walkericeras) lugdunensis ELMI et al. |
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