GIANT nuclei have been found by me in the epithelial cells of the pharynx in the earthworm Lumbricus sp. The pharyngeal epithelium of the earthworm was extensively investigated by Keilin 1 ...

You may never have heard of the Terriswalkeris terraereginae, a giant blue earthworm living deep in the moist soils of tropical north Queensland, but it’s the prettiest worm you’ll ever see.