Hitch hikers on glass

[Leedowlrods]

I've been trying to ID my 1000 tiny white calcareous hitch hikers on my glass,
They are tiny spirals with a duster type fan sticking it to glass

 

[bribo12]

Those would be spirobid worms.

 

[Leedowlrods]

Thank you I'll look them up


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