Genealogies from Yayāti’s Sons to the Yadu Dynasty; Romapāda–Ṛṣyaśṛṅga; Kārtavīryārjuna; and the Rise of Yādava Branches
जयध्वजात् तालजङ्घस्तस्य पुत्रशतं त्वभूत् । क्षत्रं यत् तालजङ्घाख्यमौर्वतेजोपसंहृतम् ॥ २८ ॥
jayadhvajāt tālajaṅghas tasya putra-śataṁ tv abhūt kṣatraṁ yat tālajaṅghākhyam aurva-tejopasaṁhṛtam
Jayadhvaja had a son named Tālajaṅgha, and Tālajaṅgha had one hundred sons. The kṣatriya line known as the Tālajaṅghas was wholly destroyed by Mahārāja Sagara through the mighty power he received from Ṛṣi Aurva.
They were a kṣatriya lineage descending from Jayadhvaja through Tālajaṅgha, described in Bhagavatam 9.23.28.
This verse states that the kṣatriya line called the Tālajaṅghas was ended by the spiritual potency (tejas) of the sage Aurva.
Power and lineage are temporary; lasting welfare comes from dharma and humility before higher spiritual authority.