In the Purāṅas (Purana), Ājihāyana(Ajihayana) is one of the ṛṣivaṁśas (rishi-vamsa; hereditary or guru-śiṣya-line of sages) belonging to the gotra (clan) of Kaśyapa (Kasyapa). They were also known as Kāśyapa (Kasyapa), since their genealogical or disciplinary relation to Kaśyapa.