Weird papery coating on my snail

[jeep and goose]

What’s going on here, also if anyone knows what type of snail this is that would be helpful cause the guy I bought it from didn’t tell me
View attachment 20260406_104316_626F77C0-A8D1-4036-BA8B-986F8F44CC7B.mov

 

[Gumbies R Us]

Photo under white light?

 

[jeep and goose]

Photo under white light?

Idk the d
Snail disappeared, it was just like some white flaky coating on part of its shell