univalve
One-piece shell creature
A univalve is a mollusk with a single-piece shell, such as a snail or abalone, as opposed to bivalves like clams and oysters with hinged two-part shells.
The term works as both noun and adjective: univalve gastropods, a univalve shell.
The word appears mainly in biological and culinary contexts.
Shelled, slow-moving mollusk
- limpetRock-gripping marine snail
- whelkMarine gastropod with coiled shell
- periwinkleSmall spiral-shelled mollusk
- conchSpiral-shelled marine gastropod
cowrie · abalone · slug · nudibranch · escargot · murex · turban · cone snail
Curve winding around center
- whorlSpiral arrangement of ridges
- apertureAdjustable optical inlet
- spireTapering architectural peak
- columellaSmall central supporting shaft
nacre · mother-of-pearl · calcium · chambered · coiled · turret · apex · lip
snail
Shelled, slow-moving mollusk
- limpetRock-gripping marine snail
- whelkMarine gastropod with coiled shell
- periwinkleSmall spiral-shelled mollusk
conch · cowrie · abalone · slug · nudibranch · escargot · murex · turban · cone snail · triton
spiral
Curve winding around center
columella · nacre · mother-of-pearl · calcium · chambered · coiled · turret · apex · lip · suture
cephalopod
Tentacled marine mollusk class
- molluskSoft-bodied invertebrate, often shelled
- chitonDraped Hellenic attire
- clamSand-dwelling hinged shellfish
mussel · oyster · scallop · hinged · single · one-piece · asymmetrical · coiled · chambered · nautilus
tidal
Of sea rhythms
- intertidalZone between high and low watermarks
- rockpoolCoastal hollow holding seawater
- seashoreOcean's edge
kelp · reef · benthic · subtidal · saltwater · brine · current · ocean · coastal · littoral