Shell families
Molluscan families, extant and fossil, after WoRMS and MolluscaBase.
- Architectonica— Sundial shells
- Argonauta— Paper nautilus
- Busycon— Whelks (living)
- Cassis— Helmet shells
- Charonia— Triton's trumpet
- Conus— Cone shells
- Cymbiola— Volutes
- Cypraea— Cowries
- Dentalium— Tusk shells
- Donax— Coquina clams
- Epitonium— Wentletraps
- Fasciolaria— Tulip shells
- Haliotis— Abalone
- Harpa— Harp shells
- Janthina— Violet snails
- Lambis— Spider conchs
- Lima— File shells
- Littorina— Periwinkles
- Lobatus gigas— Queen conch
- Melongena— Crown conchs
- Mercenaria— Quahog / hard clam
- Mitra— Mitre shells
- Murex— Murex and rock shells
- Nautilus— Chambered nautilus
- Nerita— Nerites
- Oliva— Olive shells
- Ostrea— Oysters (living)
- Pecten— Scallops
- Pinctada— Pearl oysters
- Polyplacophora— Chitons
- Spirula— Ram's horn squid
- Spondylus— Thorny oysters
- Tellina— Tellins
- Terebra— Auger shells
- Tridacna— Giant clams
- Triplofusus giganteus— Florida horse conch
- Trochus— Top shells
- Turbo— Turban shells
- Turritella— Tower shells (living)
- Xenophora— Carrier shells