Snails and Slugs learn more about names for this taxon. Scientists aim to describe a single 'tree of life' that reflects the evolutionary relationships of living things. However, evolutionary relationships are a matter of ongoing discovery, and there are different opinions about how living things should be grouped and named. EOL reflects these differences by supporting several different scientific 'classifications'. Some species have been named more than once.
Bleeding from the ear can also be due to more serious conditions, such as a blow to the head or cancer of the ear canal. You should contact your doctor any time you experience bleeding from the ear. If you experience bloody discharge from the ear after a fall or a blow to the head, seek immediate medical care.
A fracture to the base of the skull can also cause bleeding from the ears. Usually there is a CSF leak out of the ear (otorrhea) and nose (rhinorrhea). Blood will only be evident if there is also a rupture of a blood vessel with the blood mixing with CSF and exiting out of the ears.