Description
A well-preserved Fossil Pectin Shell (scallop) from the Eocene Epoch, approximately 40–50 million years old. This specimen was collected from the Clallam Formation near Clallam Bay, Washington State, USA, a site known for producing beautifully preserved marine invertebrate fossils from the early Paleogene period.
Pectin shells belong to the family Pectinidae, a group of marine bivalves distinguished by their fan-shaped, radially ribbed shells. This fossil showcases the elegant symmetry and surface ribbing typical of this family, preserved in fine-grained sediment.
Fossil Type: Bivalve (Scallop) Shell
Geological Age: Eocene – Ypresian to Lutetian Stages
Formation: Clallam Formation
Depositional Environment: The Clallam Formation was deposited in a shallow marine environment along a continental shelf. Calm conditions and fine silts contributed to the exceptional preservation of molluscs, echinoderms, and other invertebrates in the fossil record.
Morphological Features:
- Distinct fan-shaped shell outline
- Radiating ribs across the surface
- Some specimens retain hinge or growth lines
Notable:
- Classic marine invertebrate from the Eocene of the Pacific Northwest
- Ideal for educational displays, fossil collectors, or palaeontology enthusiasts
- The photograph shows the exact item offered for sale
Authenticity: All of our fossils are 100% genuine natural specimens and come with a Certificate of Authenticity. Please refer to the scale image for exact size – each square or cube equals 1cm.
This Eocene Pectin shell from Clallam Bay offers a glimpse into the marine ecosystems of ancient Washington. A beautiful and scientifically valuable specimen for any fossil enthusiast.






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