
Caecidae is a taxonomic family of very small and minute sea snails or micromolluscs, marine gastropod molluscs in the order Littorinimorpha.

Caecum is a genus of minute sea snails, marine gastropod micromolluscs or micromollusks in the family Caecidae or blind shells.

Caecum atlantidis is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum auriculatum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum brennani is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum campanulatum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum circumvolutum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum clarum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum condylum is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Caecidae.

Caecum cooperi, common name the Cooper's Atlantic caecum, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum glabrum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum johnsoni, common name the Johnson's caecum, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum maori is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum pulchellum, common name the beautiful caecum, is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum rehderi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum subannulatum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum textile is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum trachea is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum varanoi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum vitreum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Caecum wami is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Mauroceras is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae.

Meioceras is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Caecidae.

Meioceras nitidum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.

Parastrophia is a genus of minute sea snails, marine gastropod molluscs or micromollusks in the family Caecidae.