Argentinosaurus

https://www.google.com/search?q=argentinosaurus+jurassic+world+the+game&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjGpJrRwZTuAhVNF6wKHe2JDmEQ_AUoAXoECBMQAw&biw=1366&bih=617&safe=active&ssui=on#imgrc=t2nH2yJtxfSWKM&imgdii=8BQQYXyrg08ekMArgentinosaurus is unlocked by completing Battle Stage 4. Additional individuals can be purchased in the market for 160 DNA or found in card packs.