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Sea Shell Types

There are so many sea shell types that scientists follow the system of classifying them into manageable groups. They are placed in seven classes. Gastropoda - gastropods (snails, whelks, cowries, etc.), Bivalvia - bivalves (cockles, clams, scallops etc.) Scaphopoda (tusk shells), Aplacophora (worm-like mollusks), Polyplacophora (chitons), Monoplacophora (cap-like shells bearing one plate) and Cephalopoda (nautiluses, octopuses, squids etc). Each of these classes is further subdivided into species. Most sea shells fall into the category of gastropods and bivalves. They are all from the phylum Mollusca. The following lists some of the different types of sea shells you'll find within these classes.

Check out the basic anatomy of a sea shell on our Facts About Sea Shells page.

Gastropods

Auger
Auger Shells

Babylon
Babylon Shells

Bonnet
Bonnet Shells

Conch
Conch Shells

Cone
Cone Shells

Drupe
Drupe Shells

Fig
Fig Shells

Frog
Frog Shells

Harp
Harp Shells

Helmet
Helmet Shells

Land Snail
Land Snails

Limpet
Limpet Shells

Melongina
Melongina Shells

Mitre
Miter Shells

Nassa
Nassa Shells

Olive
Olive Shells

Operculum
Operculums

Spindle
Spindle Shells

Strombus
Strombus Shells

Sundial
Sundial Shells

Tibia
Tibia Shells

Tonna
Tonna Shells

Top
Top Shells

Triton
Triton Shells

Turritella
Turritella Shells

Umbonium
Umbonium Shells



Bivalves


Author: Amy Ferguson


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