Found these oddly flat rocks, not sure if they're fossils? Thank you. : r/fossilid

fossil found - Fossil ID - The Fossil Forum

Rock Id: Obsidian? - Fossil ID - The Fossil Forum

Hello Rock World, Get This I Have Found Some Strange Rocks, Oval

Odd looking pattern, flat-ish rock - any theories? : r/whatsthisrock

Hello Rock People! This is Dave the Geology Dude! This is a quick

Found these oddly flat rocks, not sure if they're fossils? Thank

Swirling lines found in rock - Fossil ID - The Fossil Forum

Replying to @Danutz Wow, never had the right answer guessed so

Found in my dad's rock collection, though he diesn't know where he

Found these oddly flat rocks, not sure if they're fossils? Thank

Fossil or really weird rock? : r/fossilid