The Taittiriya Shakha is a notable shakha ("rescension") of the Krishna Yajurveda. The Vishnu Purana attributes it to a pupil of Yaska named Tittiri. It is most prevalent in south India. The shakha consists of:
The Taittiriya Upanishad and Mahanarayana Upanishad are considered to be the seventh, eighth, ninth and tenth prashnas of the Taittiriya Aaranyaka. The words prapaathaka and kaanda (meaning sections) are interchangeably used in the Vedic literature. Prashna and valli refer to sections of the Aaranyaka.