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

Identity Help : Is this an accretionary lapillus?

Burning Fossil Fuels Almost Ended All Life on Earth - The Atlantic

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

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

Ah-Shi-Sle-Pah Wilderness Study Area – Bloomfield, New Mexico - Atlas Obscura

Found in my dad's rock collection, though he diesn't know where he got it, or what it is. Odd concretion? Fossil? Just oddly shaped rock? : r/whatsthisrock

2823: Fossil - explain xkcd

Trilobite Fossil Healing Crystal Rocks Mineral Specimen Metaphysical

Turtle Stones - Life in the Finger Lakes

I was going through a box that had rocks. Beautiful rocks, sea shells, petrified wood, coral fossil, and found this amongst them. I have zero idea what it is. It's light, almost

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

Fossil study sheds light on weird ancient animals of Leicestershire - Leicestershire Live

Can Anyone Tell Me If This Is Fossilized Bone, Or Just A Cool Rock?

Stratigraphy, Sedimentology and Palaeontology

USGS Volcanoes - Visitors to Mammoth Hot Springs in Yellowstone National Park might have noticed an odd geological feature near the top of Mount Everts—an unconformity! This juxtaposition of different rocks serves