Chapter 1 · Arjuna's Despair · Sanjaya said
Bhagavad Gita 1.15 — Names of the conches
पाञ्चजन्यं हृषीकेशो देवदत्तं धनञ्जयः। पौण्ड्रं दध्मौ महाशङ्खं भीमकर्मा वृकोदरः ॥
pāñcajanyaṃ hṛṣīkeśo devadattaṃ dhanañjayaḥ | pauṇḍraṃ dadhmau mahāśaṅkhaṃ bhīmakarmā vṛkodaraḥ ||
Meaning
Krishna blew the Panchajanya, Arjuna blew the Devadatta, and Bhima, the doer of mighty deeds, blew his great conch Paundra.