Here's my 70 gallon crew:
1 Turbo snail, 3 Astraea snails, 1 Trochus snail, 5 Nassarius snails, 2 Cerithium snails, 2 fire shrimp and about 10 mixed hermits. I also have 2 Mithrax crabs but I am sending them to the sump. The bigger one forages in my zoanthids too much and knocks them loose.