Holotype: | A 38677 |
Locality: | Helm Knot, Dent, Yorkshire, England |
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Rock Unit: | Upper Coniston Flags |
Geological Age: | Gorstian Age (Silurian Period) – Ashgill Series (Ordovician Period) (425.6 – 449 Ma B.P.) |
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Undifferentiated Type: | A 440 |
Locality: | Comley, Shropshire, England |
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Rock Unit: | Paradoxides groomi Bed (Ba1) |
Geological Age: | Cambrian Period (Cambrian Period) (485.4 – 541 Ma B.P.) |
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Holotype: | A 48 |
Locality: | Comley, Shropshire, England |
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Rock Unit: | Breccia Bed (Bb 1) |
Geological Age: | Cambrian Period (Cambrian Period) (485.4 – 541 Ma B.P.) |
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Lectotype: | A 4820 |
Locality: | Woolhope, Herefordshire, England |
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Rock Unit: | Aymestry Limestone |
Geological Age: | Ludlow Epoch (Silurian Period) (423.6 – 427.4 Ma B.P.) |
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Lectotype: | A 520 |
Locality: | Borth, Caernarvonshire, Wales |
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Rock Unit: | Lower Tremadoc |
Geological Age: | Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.) |
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Holotype: | A 5877 |
Locality: | Birdshill Quarry, Llandilo, Carmarthenshire, Wales |
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Rock Unit: | Sholeshook Limestone |
Geological Age: | Rawtheyan Stage (Ordovician Period) – Cautleyan Stage (Ordovician Period) (445.2 – 448 Ma B.P.) |
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Syntype: | A 6639 |
Locality: | Pusgill, Dufton, Cumberland, England |
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Rock Unit: | Corona Bed |
Geological Age: | Ashgill Series (Ordovician Period) – Caradoc Series (Ordovician Period) (443.8 – 458.4 Ma B.P.) |
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Syntype: | A.00010 |
Locality: | Headland near Nun's Well, St David's, Pembrokeshire |
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Rock Unit: | ? Solva Group |
Geological Age: | St David's Series (Cambrian Period) (499 – 508 Ma B.P.) |
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Paratype: | Af2052 |
Locality: | Llanallgo Church,Anglesey |
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Rock Unit: | Carboniferous Limestone Supergroup |
Geological Age: | Dinantian Subsystem (Carboniferous Period) (326.4 – 359.2 Ma B.P.) |
Resources: |
Paratype: | Af2089 |
Locality: | Plas Llanddy Farm,Anglesey |
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Rock Unit: | Carboniferous Limestone Supergroup |
Geological Age: | Dinantian Subsystem (Carboniferous Period) (326.4 – 359.2 Ma B.P.) |
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