Fossil Sea Snail
Gastropoda cf. Conus or Buccinum species • Body fossil, invertebrate gastropod

Geological Period
Neogene
Estimated Age
2.5 to 23 million years
Preservation Type
Original aragonite/calcite shell preservation with minor surface recrystallization and mineral staining
Condition Assessment
Good, nearly complete with minor wear on the apex and aperture lip, retaining structural integrity
Taxonomic Classification
Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Conidae or Buccinidae
Morphological Description
Elongated, fusiform shell with a high spired apex, narrow elongated aperture, and smooth outer whorls showing remnants of original coloration patterns.
Rock Matrix
Free of matrix (cleaned specimen), originally likely from a marine clay or marl deposit
Formation & Location
Coahulla Formation or similar Neogene coastal deposits, worldwide distribution
Size & Dimensions
Approximately 3 cm in length, fitting well within the standard size range for small fossil neogastropods
Value & Rarity
Estimated Market Value
$5 - $15
Auction Estimate
$10 - $25
Rarity Assessment
Common
Scientific Significance
Provides evidence of Cenozoic shallow marine ecosystems, paleotemperatures, and benthic community structures
Preparation Recommendations
Gentle mechanical cleaning with a soft brush, no aggressive acid treatment, store in a stable, dry environment
Notable Features
Retains delicate yellowish-brown color banding patterns on the outer shell layer, which is unusual for older fossil shells