* Chihuahua: While not all Chihuahuas are white, they are a small breed with distinctive erect, pointed ears.
* American Eskimo Dog: These dogs come in various sizes (Toy, Miniature, Standard) and have a fluffy white coat. They also have erect, triangular ears.
* Bolognese: This breed is known for its long, white, cottony coat and small, erect ears.
* Maltese: This small breed has a long, flowing white coat and small, erect ears.
It's important to remember that even within a breed, individual dogs can have variations in their appearance. If you're unsure of a dog's breed, it's best to consult with a professional dog breeder or veterinarian.