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Albian

Cretaceous

• Lower Cretaceous
  • Albian

Blackdown Greensand belongs to the Albian

During the Albien the following Stromboidea lived:

• Ceratosiphon retusus (Sowerby in Fitton, 1836)
• Cuphosolenus mexicanus (Kellum & Appelt, 1964)
• Perissoptera marginata (J. de C. Sowerby in Fitton, 1836)
• Perissoptera parkinsoni (Mantell, 1822)
• Pseudanchura carinata (Mantell, 1822)
• Pseudanchura carinella (d'Orbigny, 1843)
• Pugioptera sp

Internet:

• Speeton Clay