16. Donatism – Christian clergy are required to be faultless for their ministrations to be effective and for the prayers and sacraments they conduct to be valid. Rigorists, holding that the church must be a church of "saints", not "sinners", and that sacraments, such as baptism, administered by traditores were invalid.
17. Monophysitism – the Christological position that, after the union of the divine and the human in the historical Incarnation, Jesus Christ, as the incarnation of the eternal Son or Word (Logos) of God, had only a single "nature" which was either divine or a synthesis of divine and human. Jesus Christ, who is identical with the Son, is one person and one hypostasis in one nature: divine.
18. Monothelitism or monotheletism – formally emerged in Armenia and Syria in 629. Jesus Christ has two natures but only one will.
19. Miaphysitism sometimes called henophysitism – the person of Jesus Christ, Divine nature and Human nature are united (μία, mia - "one" or "unity") in a compound nature ("physis"), the two being united without separation, without mixture, without confusion, and without alteration.
20. Docetism – the doctrine that the phenomenon of Christ, his historical and bodily existence, and above all the human form of Jesus, was mere semblance without any true reality. Jesus only seemed to be human, and that his human form was an illusion.
21. Marcionism – was an Early Christian dualist belief system that originated in the teachings of Marcion of Sinope at Rome around the year 144. Jesus was the savior sent by God, and Paul the Apostle was his chief apostle, but he rejected the Hebrew Bible and the God of Israel. Marcionists believed that the wrathful Hebrew God was a separate and lower entity than the all-forgiving God of the New Testament.
22. Paulicianism –
23. Arianism – is a Christological concept which asserts the belief that Jesus Christ is the Son of God who was begotten by God the Father at a point in time, is distinct from the Father and is therefore subordinate to the Father. Arian teachings were first attributed to Arius (c. 256–336), a Christian presbyter in Alexandria, Egypt. the Son of God did not always exist but was begotten by God the Father.
24. Montanism – an early Christian movement of the late 2nd century, later referred to by the name of its founder, Montanus, believing in new revelations and ecstasies, unapproved by the wider Church. It was a prophetic movement that called for a reliance on the spontaneity of the Holy Spirit
25. Bonosianism – Antidicomarian sect. Bonosus was a Bishop of Sardica in the latter part of the fourth century, who taught against the doctrine of the perpetual virginity of Mary. They affirmed the purely adoptive divine filiation of Christ. However, they differed from the Adoptionists in rejecting all natural sonship, whereas the Adoptionists, distinguishing in Christ the God and the man, attributed to the former a natural, and to the latter an adoptive sonship.
26. Jovinianism – Antidicomarian sect founded by Jovinian (c. 405).
27. Photinianism – Photinus (d. 376)
28. Origenism – Origen Adamantius (184/185 – 253/254).
29. Psilanthropism – understands Jesus to be human, the literal son of human parents.
30. Manichaeism – Founded in 210–276 by Mani (claimed to be Paraclete)
31. Priscillianism – in the 4th century by Priscillian.
32. Sethianism –
33. Ophitism or Ophianism –
34. Antinomianism –
35. Audianism – Anthropomorphism, a sect of Christians in the fourth century in Syria and Scythia, named after their founder Audius, who took literally the text of Genesis, i, 27, that God created mankind in his own image.