Eight groups of schismatical or heretical Churches, which separated from Rome at various periods since the 4th century.
See also the article on the Uniat Churches.
- Abyssinian Church
- Armenian Church
- Bulgarian Church (considers itself part of the "Orthodox" Church, but is not so considered by some bodies of the Orthodox Church)
- Coptic Church (Egypt)
- Jacobite Church (Syria)
- Malabar Christians (India)
- Nestorian Church (Persia)
- The "Orthodox" Church (with 17 subdivisions)
New Catholic Dictionary