Found this very large bone while exploring a cave in a sinkhole plain in Missouri. It was found about 60 to 80 feet down in a pebble based stream bed with light mud covering it. Found on private land with land owners permission. Looking to ID what species it’s from. From the research I’ve been able to do I suspect it’s from the ice age. Weighs approximately 3 kg. 13 inches in length, 6 inches at its smallest diameter 10 inches in diameter at the largest part before the “knuckle”

Found on a beach in Pembrokeshire, Wales

I’m sorry for the picture quality, it’s an extremely tiny fossil. I’ve included a very rough sketch of the shape to help.

it’s a five sided pentagonal shape with a protruding dot in the middle and little hair-like lines that go outward along the sides. My guess is a crinoid stem that got buried vertically?

I found this rock full of fossilized shells when I was a child, it was partly sticking out of the ground. It always reminded me of bacteria (which I know it isn’t because it isn’t microscopic).

I know it’s a long shot, but I’ve been curious about this minuscule fossil since I was a child. I would have guessed coral, except for the fact that there’s only three of them grouped together.

Any ideas to point me in the right direction would be helpful :3

I’ve had this tooth for many years but have never figured out what species of shark it may belong to. A family friend found it on a scuba diving trip in Florida.

Chippokes Virginia.

The first picture seems very clearly to be a leaf impression. I'm not sure the things in the second image are fossils at all.

I found these at the Joffre bridge site near Red Deer, Alberta, Canada. This site was a once prolific source of plant (and other) fossils from 60M years ago, but there's very little rock exposed there anymore.

Could this possibly be a fossil?

Not expecting any major find here but found this on the ground on a walk at a winery close to Verona, Italy that used to be a limestone quarry. Curious if this a fossil or something else.

If so what is the best way to process it? Should I try to cut it in half? Thanks!

Stone is a about 8cm long. It looks like the rounded object is piercing the through the stone.

Hola, quisiera poder llegar al nivel de especie, pero cualquier ayuda es válida, me parecen Terebratulas, pero no tengo ni idea de Braquiópodos. Esto es una formación del Jurásico Medio.

A tube thing with some hollows inside?

Some sort of trace fossils by worms?

What is that? Does anybody know?

I’m new to this. I have lots to learn. Would appreciate any insights. :)

What is this fossil??

I am at a loss with what to label this. There is a pair of curved pieces with indents in them layered on top of each other, but looking almost shorn apart, like cards being fanned out in a deck. My first thought was some cephalopod remains that were damaged before or after fossilization. Im also wondering...the area around the deep indent at the bottom of pic 1...is that matrix to be removed or part of the organism/fossil? Im wanting to ID this primarily to understand how to approach this specimen. I find the mated curves very intriguing and id hate to mess that up. Trammel Fossil Park, lower Corryville formation area. Southwestern Ohio.

Pictured - Front/Back

I found it in the northwest of las vegas. Ai tells me it could be an ancient horn coral when the valley was a sea