It is supposed to represent a periwinkle (mollusc) 💩

Chocolate soft serve.

San Francisco compiles an online database of all the reported feces that need to be cleaned up. It has been put together in an interactive map form.

Here is the link.

https://www.openthebooks.com/maps/?Map=90059&MapType=Pin&Zip=94110

Here is the article.

https://openthebooks.substack.com/p/updated-the-san-francisco-poop-map