The formal classification of the land snail, Allogona profunda (Say), is as follows: Domain: Eukarya. Kingdom: Animal. Phylum: Mollusca. Class: Gastropoda. Order: Pulmonata.
A nosebleed happens when one of the blood vessels in the lining of the nose bursts. Nosebleeds may be caused by infection, injury, allergic reaction, nose picking or an object being pushed into the nostril. Another name for nosebleed is epistaxis. Bleeding from the nose is common in children and is usually not serious. Seek medical attention if nosebleeds are severe, frequent or prolonged.
1 All these can cause a dog nose bleed.  Nasal Infections: Severe nasal bacterial, parasitic, or fungal infections can result in sneezing and bloody nasal discharge. Nosebleeds are often accompanied by bouts of violent sneezing which can aggravate the bleeding.