Trekking Bag Test

Taxonomic Classification (Morphological Basis): • Phylum: Mollusca • Class: Gastropoda • Subclass: Caenogastropoda • Probable Family: Muricidae/Strombidae (morphology-based assessment) Morphological Characteristics: • Univalve, dextral spiral with elevated spire • Prominent axial varices and spiral sculpture • Broad ovate aperture with thickened, crenulated lip • Moderately elongated anterior siphonal canal • Beige–brown exterior; orange interior aperture Material Composition: • Aragonite (CaCO₃) primary mineral phase • Conchiolin organic matrix • Cross-lamellar microstructure Functional & Environmental Notes: • Reinforced varices for structural protection • Siphonal canal adapted for benthic feeding • Typical of tropical to subtropical marine habitats Condition: • Aperture intact • Minimal surface erosion • Apex preserved