Atlas of Animal Anatomy and Histology

Cnidarians (Cnidaria)

Flatworms (Platyhelminthes)

Roundworms (Nematoda)

Annelids (Annelida)

Molluscs (Mollusca)

Crustaceans (Crustacea)

Insects (Insecta)

Fishes (Osteichthyes)

Amphibians (Amphibia)

Birds (Aves)

Mammals (Mammalia)