40 gal breeder invert help

[Bigrig67]

What are some top tier choices for inverts in a 40 gal breeder tank?

currently have the following:
Trochus snails
Emerald crabs
Nassarius snails
2 of each

 

[blaxsun]

Orange lip conch (1), tuxedo urchin (1 after a few months), spiny astrea snails (at least 4), ring cowries (6), turbo snails 3-4) and triple the number of trochus and nassarius snails once you start adding fish.