I'd try to help but I'm not very knowledgeable about GALS, sorry. Brunni and oscar101 should know, though, so let's keep this up so they will see it when they next come to the forums!
"Fabulous and advanced slug technology will rule the world."
My current snail family (& family album): A.achatina, A.fulica, A.hortensis, A.vulgaris C.nemoralis, C.lubrica D.invadens, E.vermiculata H.aspersa, H.pomatia L.alte, L.cinereoniger, L.maximus O.cellarius, R.decollata, T.pisana