This is too complex to answer in full here, but please refer to this excellent website which has a detailed discussion of the schools and lineages:
http://www.buddhanet.net/e-learning/history/schools.htm
The three branches of Buddhism are Mahayana Buddhism, Vajrayana Buddhism, and Theravada Buddhism.
If you are referring to Sects, there are numerous sects in Buddhism. Probably the most famous are Mahayana, Theravada, and Zen.
Some of the SECTS of Buddhism are Theravada, Mahayana, Tibetan, and Zen Buddhism. Buddhism is a religion, and therefor it has no "religions".
sects are religious or political groups. Alida is a central figure in the "Pure Land" sects of Buddhism.
Japan is home to several distinct Buddhist sects, the main ones being Tendai, Shingon, Pure Land (Jodo), Nichiren, and Zen. Each sect has its own beliefs, practices, and teachings, reflecting the diverse interpretations of Buddhism in the country. In total, there are approximately 13 major sects and numerous sub-sects, making Japanese Buddhism quite varied. The exact number can vary depending on how sects are classified and recognized.
You can read about the different schools of Buddhism here: http://en.wikipedia.org/wiki/Schools_of_Buddhism
Buddhism. There are many different sects.
Theravada,Mahayana, and Mantrayana
You can read about the different schools of Buddhism here: http://en.wikipedia.org/wiki/Schools_of_Buddhism
Yes, an accepted canon of sutras in Buddhism is the Mahayana sutra.
To discuss different branches of Buddhism is to discuss different sects or varieties of Buddhism. Buddhist scriptures are commonly divided into Theravada, Mahayana, and Vajrayana. Zen Buddhism is a kind of Mahayana Buddhism. .
Two Japanese schools called Shingon and Tendai.
Zen and Pure Land are some I know.