Even the so-called Judaeo-Christian Gnostics (Cerinthus), the Ebionite (Essenian) sect of the PseudoClementine writings (the Elkesaites), take up an inconsistent attitude towards Jewish antiquity and the Old Testament.
Among these we must mention the JudaeoChristian Gnostic Cerinthus, also the Gnostic Ebionites, of whom Epiphanius (Haer.) gives us an account, and whose writings are to be found in a recension in the collected works of the Pseudo-Clementine Recognitions and Homilies; to the same class belong the Elkesaites with their mystical scripture, the Elxai, extracts of which are given by Hippolytus in the Philos.
Like Mahomet after him and the founder of the Elkesaites before him, he gave himself out for the last and highest prophet, who was to surpass all previous divine revelation, which only possessed a relative value, and to set up the perfect religion.
17) were a semi-Christian sect of Babylonia, the Elkesaites, closely resembling the Mandaeans or so-called "Christians of St John the Baptist," but not identical with them.