Skandapurana 16.32.74

16.32.74

narastrīnapuṃsakākhyāśca jātibhedā jarāyujāḥ ..
catuṣpadāśca paśavo grāmyāścāraṇyajāstathā .. 74 ..

The womb-born are classified into male, female, and neuter forms of species, / as well as four-footed beasts, both domestic and wild;