Description
This listing features an authentic Offaster pilula fossil echinoid, originating from the Upper Chalk Formation of the Late Cretaceous period, collected at Telscombe Cliffs, Sussex, United Kingdom. This well-preserved specimen represents a classic example of this iconic British fossil echinoderm and is ideal for collectors, educators, or fossil enthusiasts.
You will receive the exact fossil shown in the photos. Please refer to the scale cube (1cm) for precise sizing.
Species & Classification:
- Species: Offaster pilula
- Type: Fossil Echinoid (Sea Urchin)
- Order: Holasteroida
- Family: Holasteridae
- Phylum: Echinodermata
Geological & Stratigraphic Context:
- Period: Cretaceous
- Stage: Upper Cretaceous (likely within the Campanian or Santonian stages)
- Formation: Upper Chalk
- Locality: Telscombe Cliffs, Sussex, UK
- Depositional Environment: Deeper marine chalk seas, calm pelagic environment with low sedimentation, high microfossil content
Morphological Features:
- Characteristic flattened, heart-shaped test (shell)
- Bilateral symmetry with slightly offset mouth and anus typical of holasteroids
- Fine pore structures and preserved ambulacral system
- Adapted for a life in soft chalk seafloor sediments, often partially buried
Notable Facts:
- Offaster pilula is a key biostratigraphic marker in the Upper Chalk and often used to identify specific biozones.
- Recognised for its widespread distribution across Late Cretaceous chalk deposits in Europe.
- Described in 19th-century paleontological literature and important in the study of echinoid evolution.
Why Buy From Us?
- 100% genuine fossil, responsibly sourced
- Comes with a Certificate of Authenticity
- Exact specimen as shown – no stock photos
- Carefully selected for quality, scientific value, and presentation
This Offaster pilula fossil echinoid from the chalky marine layers of southern England represents an elegant and educational piece of Cretaceous paleontology. A superb addition to any fossil collection or gift for enthusiasts of natural history!





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