Any one know what this is or might be?

[Richsoar]

This is the third of these spirials that have appeared on the glass of my tank. The first I destroyed when I cleaned the Algae off the glass. I'm thinking some type of egg casings, any ideas or knowledge?

 

[35ppt]

Redacted

 

[MERKEY]

Escargot caviar

 

[King_wizards_reef]

Eggs forsure

 

[Richsoar]

Mexican Cerith Snail eggs

Thank you. Now we will see if any hatch and survive.