Best dino to gather flint in the entire game is the new fasolosaurus

Fasolasuchus harvests flint like no other

so people know, the faster more effective way to gather flint is a mantis with a pick. Gather more and faster with a mantis ! It’s the most slept on for flint!

The industrial grinder and a doedic is by far the most efficient way to get flint plus xp. If you're in the bullet making business this is the way.

Ive found ankys gather flint the best but even faster way is to gather stone and grind it to flint in a industrial grinder

The mining drill gets more stone than flint

how to get flint

step 1: get doedic and mine stone

step 2: use industrial grinder to grind stone

step 3: ???

step 4: profit!!

Using an Anky in the rivers on the island to farm river rocks can be very effective for flint farming.

Use a mantis with a good pickaxe and it's pretty good