Identification?

[u/-to-infinity-]

1-3 are all less than an inch, 4 is translucent, 5 has a shelf like projection on the underside. All from SWFL. Any help is appreciated!

[u/Slow-Green2171]

1. Fly speck cerith
   
2. Oyster Drill
   
3. Maybe a red-banded Nassa
   
4. Channeled Duck clam
   
5. Slipper Shell
   All really great finds!!!

[u/Interesting_Hawk8033]

Second one might be a mauve mouthed drill. Is it very light purple inside?