Mahabharata 1.2.77

नागानामथ सर्पाणां गन्धर्वाणां पतत्रिणाम्अन्येषां चैव भूतानां विविधानां समुद्भवः

nāgānāmatha sarpāṇāṃ gandharvāṇāṃ patatriṇāmanyeṣāṃ caiva bhūtānāṃ vividhānāṃ samudbhavaḥ

Our plain-language meaning of this verse is waiting for scholar review.