Holotype: | Zs1330 |
Locality: | Bushy Grove |
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Rock Unit: | Breadstone Shale Formation |
Geological Age: | Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.) |
Resources: |
Holotype: | Zs1331 |
Locality: | Bushy Grove |
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Rock Unit: | Breadstone Shale Formation |
Geological Age: | Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.) |
Resources: |
Paratype: | Zs771 |
Locality: | Catanent Cove, St Goran |
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Rock Unit: | Quartzite Conglomerate |
Geological Age: | Wenlock Epoch (Silurian Period) (427.4 – 433.4 Ma B.P.) |
Resources: |
Holotype: | Zu2230 |
Locality: | South Pit - Nettleton Top Barn - Lincs. |
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Rock Unit: | Spilsby Sandstone Formation |
Geological Age: | Valanginian Age (Cretaceous Period) – Tithonian Age (Jurassic Period) (133.9 – 152.1 Ma B.P.) |
Resources: |
Neotype: | Zu4391 |
Locality: | Fletcher s Pit Gravesend Kent |
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Rock Unit: | Cretaceous Rocks (Undifferentiated) |
Geological Age: | Cretaceous Period (Cretaceous Period) (66 – 145 Ma B.P.) |
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Holotype: | Zu4458 |
Locality: | Ilminster - Somerset. |
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Rock Unit: | Lias Group |
Geological Age: | Aalenian Age (Jurassic Period) – Rhaetian Age (Triassic Period) (170.3 – 209.5 Ma B.P.) |
Resources: |
Holotype: | Zu52 |
Locality: | Ford Place Wrotham Kent |
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Rock Unit: | Lower Greensand Group |
Geological Age: | Albian Age (Cretaceous Period) – Aptian Age (Cretaceous Period) (100.5 – 126.3 Ma B.P.) |
Resources: |
Paratype: | Zv2032 |
Locality: | Cefn Llyfnog |
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Rock Unit: | Caradoc Rocks (Undifferentiated) |
Geological Age: | Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) |
Resources: |
Paratype: | Zv913 |
Locality: | Bryn Cut, Bala, Gwynedd |
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Rock Unit: | Gelli-Grin Calcareous Ash Formation |
Geological Age: | Woolstonian Substage (Ordovician Period) – Longvillian Substage (Ordovician Period) (452.1 – 454 Ma B.P.) |
Resources: |
Holotype: | a1066 |
Locality: | Elsworth - Cambridge. |
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Rock Unit: | Corallian Group |
Geological Age: | Oxfordian Age (Jurassic Period) (157.3 – 163.5 Ma B.P.) |
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