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.
Causes of Ear bleeding that are uncommon. The following causes of Ear bleeding are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA: 1  Face fracture - Bleeding from the ear.  more causes...Â».
The following medical conditions are some of the possible causes of Ear bleeding. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Penetrating injury. 2  Fracture of the floor of the skull.  Otitis externa.