Shiva Purana
अचरांश्च चरांश्चैव द्विपदोऽथ चतुष्पदः ॥ संसृज्य मनसा दक्षो मैथुनीं सृष्टिमारभत् ॥ ४० ॥
After creating mentally the mobile and immobile beings, the bipeds and the quadrupeds, Dakṣa began creation though copulatory process.
english translation
acarAMzca carAMzcaiva dvipado'tha catuSpadaH ॥ saMsRjya manasA dakSo maithunIM sRSTimArabhat ॥ 40 ॥
hk transliteration by Sanscript