Detailed anatomical illustration of a giant Australian earthworm with labeled internal structures and a photo of a person holding the worm.
Diagram of a giant Australian earthworm showing internal anatomy including the cuticle, epidermis, coelom, circular and longitudinal muscles, dorsal and ventral vessels, nephrostomes, nerve cords, pharynx, esophagus, crop, gizzard, intestine, and metanephridia. A person is holding a live earthworm in the inset image.