[{"n": "Mollusc shell", "u": "/e/mollusc-shells/mollusc-shell/", "s": "A calcareous exoskeleton produced by molluscs for protection and support."}, {"n": "Apex (mollusc)", "u": "/e/mollusc-shells/apex-mollusc/", "s": "The oldest, pointed tip of a mollusc shell."}, {"n": "Bivalve shell", "u": "/e/mollusc-shells/bivalve-shell/", "s": "Two hinged valves form the protective shell of bivalve molluscs."}, {"n": "Body whorl", "u": "/e/mollusc-shells/body-whorl/", "s": "The final coil of a gastropod shell, housing most of the animal."}, {"n": "Columella (gastropod)", "u": "/e/mollusc-shells/columella-gastropod/", "s": "Central pillar of a gastropod shell, often with diagnostic folds."}, {"n": "Conch", "u": "/e/mollusc-shells/conch/", "s": "Sea snails valued for meat, shells, and cultural uses."}, {"n": "Conch (instrument)", "u": "/e/mollusc-shells/conch-instrument/", "s": "A wind instrument made from a marine gastropod shell."}, {"n": "Gastropod shell", "u": "/e/mollusc-shells/gastropod-shell/", "s": "The exoskeleton of gastropods, varying in shape, coiling, and sculpture."}, {"n": "Hinge teeth", "u": "/e/mollusc-shells/hinge-teeth/", "s": "Articulating structures on the inner hinge of bivalve shells."}, {"n": "Lip (gastropod)", "u": "/e/mollusc-shells/lip-gastropod/", "s": "The free margin of a gastropod shell's aperture."}, {"n": "Periostracum", "u": "/e/mollusc-shells/periostracum/", "s": "The organic outer layer protecting mollusc and brachiopod shells."}, {"n": "Prodissoconch", "u": "/e/mollusc-shells/prodissoconch/", "s": "Embryonic or larval shell of bivalve mollusks."}, {"n": "Protoconch", "u": "/e/mollusc-shells/protoconch/", "s": "Embryonic or larval shell in some molluscs, used in systematics."}, {"n": "Sculpture (mollusc)", "u": "/e/mollusc-shells/sculpture-mollusc/", "s": "Three-dimensional ornamentation on mollusc shells, often protective."}, {"n": "Seashell", "u": "/e/mollusc-shells/seashell/", "s": "Hard outer covering of marine mollusks, often found on beaches."}, {"n": "Selenizone", "u": "/e/mollusc-shells/selenizone/", "s": "A spiral band of lunulae from a shell slit or notch."}, {"n": "Septum (cephalopod)", "u": "/e/mollusc-shells/septum-cephalopod/", "s": "Thin partitions dividing cephalopod shell chambers into camerae."}, {"n": "Shell growth in estuaries", "u": "/e/mollusc-shells/shell-growth-in-estuaries/", "s": "Estuarine shell growth is shaped by temperature, salinity, and carbonate chemistry."}, {"n": "Shell purse", "u": "/e/mollusc-shells/shell-purse/", "s": "Novelty coin purses made from mollusk shells."}, {"n": "Siphonal canal", "u": "/e/mollusc-shells/siphonal-canal/", "s": "A shell feature protecting the siphon for chemoreception."}, {"n": "Spire (mollusc)", "u": "/e/mollusc-shells/spire-mollusc/", "s": "The coiled part of a gastropod shell above the body whorl."}, {"n": "Teleoconch", "u": "/e/mollusc-shells/teleoconch/", "s": "The adult shell formed after the larval stage in gastropods."}, {"n": "Umbilicus (mollusc)", "u": "/e/mollusc-shells/umbilicus-mollusc/", "s": "The hollow axial space within coiled mollusc whorls."}, {"n": "Valve (mollusc)", "u": "/e/mollusc-shells/valve-mollusc/", "s": "Articulating shell parts of molluscs and other animals."}, {"n": "Varix (mollusc)", "u": "/e/mollusc-shells/varix-mollusc/", "s": "A thickened axial ridge formed during resting stages of gastropod shell growth."}]