Can't quite see that inside the shell
this has excellent pics - no affiliation or connection or knowledge about this site other than they have a very good M/ F pic Scroll down a few pics for really clear views
https://floridamysterysnails.com/2018/06/05/sexing-mystery-snails/
I thought most snails possessed the capability of being asexual therefore being female /male at the same time kinda?
Not the case entirely or they only do so in brackish water?