Harpoceras
sp. Waagen, 1869
Ilminster,
Somerset
Family HILDOCERATIDAE Hyatt, 1867
Sub family HARPOCERATINAE Neumayr,1875
Sub family HARPOCERATINAE Neumayr,1875
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Harpoceras
sp. Waagen, 1869
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Ilminster,
Somerset
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Family HILDOCERATIDAE Hyatt, 1867
Sub family HARPOCERATINAE Neumayr,1875 |
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| A zone ammonite of the Lower Toarcian Substage. | |
| Sides flat,unbilical edge sharp,venter unicarinate,ribbing falcate,stronger on outer half of whorl sides than on inner. | |
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