There are 24 Tirthankaras, and each has a distinct lanchhana (symbol/emblem). If you meant “72”, please note that Tirthankaras are 24, not 72.

24 Tirthankaras and their symbols

1. Rishabhdev — Bull
2. Ajitnath — Elephant
3. Sambhavnath — Horse
4. Abhinandan Swami — Monkey
5. Sumatinath — Curlew / Chakravak bird
6. Padmaprabhu — Red lotus
7. Suparshvanath — Swastika
8. Chandraprabhu — Moon
9. Pushpadantanath / Suvidhinath — Crocodile
10. Shitalnath — Shrivatsa
11. Shreyanshnath — Rhino
12. Vasupujya — Buffalo
13. Vimalnath — Boar
14. Anantanath — Falcon / Bear

(Traditions differ slightly)

1. Dharmanath — Thunderbolt / Vajra
2. Shantinath — Deer
3. Kunthunath — Goat
4. Aranath — Fish
5. Mallinath — Water-pot / Kalash
6. Munisuvratanath — Tortoise
7. Naminath — Blue lotus
8. Neminath — Conch
9. Parshvanath — Serpent
10. Mahavir Swami — Lion

Short note

• The symbol is called lanchhana in Jain tradition.
• It helps identify each Tirthankara in idols, paintings, and worship.

If you want, I can also give this in Gujarati/Hindi or in a simple chart format.