Cancellariidae, common name the nutmeg snails or nutmeg shells, are a family of small to medium-large sea snails, marine gastropod mollusks in the clade Neogastropoda. Some of the shells of the species in this family resemble a nutmeg seed.

Sveltia lyrata, common name lyrate nutmeg, is a species of sea snail, a marine gastropod mollusc in the family Cancellariidae, the nutmeg snails.

Sveltia rocroii is a species of sea snail, a marine gastropod mollusc in the family Cancellariidae, the nutmeg snails.

Sveltia splendidula is a species of sea snail, a marine gastropod mollusc in the family Cancellariidae, the nutmeg snails.

Merica is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.

Scalptia is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.

Raphitoma is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.

Drilliola is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae, the cone snails and their allies.

Cyllene is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the nassa mud snails or dog whelks.

Thala is a genus of sea snails, marine gastropod mollusks in the family Costellariidae.

Pusia is a genus of sea snails, marine gastropod mollusks in the family Costellariidae.

Lyria is a genus of sea snails, marine gastropod molluscs in the family Volutidae.

Jujubinus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.

Schilderia is a genus of sea snails, marine gastropod mollusks in the family Cypraeidae, the cowries.

Zonaria is a genus of sea snails, marine gastropod molluscs in the subfamily Zonariinae of the family Cypraeidae, the cowries.

Brocchinia is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.

Trigonostoma is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.

Opalia is a genus of small sea snails, marine gastropod mollusks in the family Epitoniidae, commonly known as wentletraps.