Skandapurana 1.4.37.67

1.4.37.67

iti vaidhātravyavasthitiḥ..
..śrīnārada uvāca..
ṛṣabhonāma yannāmnā nānāpāṣaṃḍa kalpanāḥ..
kalau pārtha bhaviṣyaṃti lokānāṃ mohanātmikāḥ.. 39.67 ..

Thus ends the determination of Brahmā's [lifespan].
Śrī Nārada said:
There was one named Ṛṣabha, by whose name various heretical doctrines / will arise in the Kali age, O Pārtha, deluding the worlds.