Shiva Purana

siva.sh/siva-purana/saturda-samhita/5/57

इत्येतद्वै मया प्रोक्तमवतारेषु लक्षणम् ।। मन्वादिकृष्णपर्यन्तमष्टाविंशद्युगक्रमात् ।। ५७ ।।

sanskrit

Thus I have mentioned the characteristic features of the incarnations from Manu to Kṛṣṇa in the twenty-eighth recurring cycles of the Yoga in order.

english translation

ityetadvai mayA proktamavatAreSu lakSaNam || manvAdikRSNaparyantamaSTAviMzadyugakramAt || 57 ||

hk transliteration by Sanscript