r/fossils

does it count as a fossil? its not really that mineralised

I tried to make the base look like wood instead of plastic. But I just couldn't quite get it nailed down.

Like the title says, I got these at a yard sale and I'm hoping to find a good resource to figure out what kind of fossils I have found. A lot of teeth and what I'm guessing are bone fragments.

I appreciate any help

Early cretaceous, northern Spain. About 3cm, quite brittle, black marlstone

Two questions:

Is it a good idea to coat it to preserve it?

What are the things below the fish? Scales? Fish bones?

Found in the Willamette River in Oregon!

I did the freeze thaw method and some split but looks like nothing inside it

Found at Manasota Key, Florida, USA on Sunday. About 1 cm long.

Hello la communauté, j'ai trouvé cette étrange "fossile" a l'aspect étrange, je serais incapable de dire si cest un fossile d'animaux marins ou simplement de l’excrement fossilisé ? Quelqu'un en a déjà vu ? Je l'ai trouvé a la plage aux alentours de La Rochelle en France !

I found these three rocks under a bush in my grandpa’s backyard—when I showed him he said he had no idea they were there. After showing my dad, he says his best guess is that it could possibly be fossilized ginkgo wood brought back from when my grandpa and grandma took him and my aunts to the Ginkgo Petrified Forest state park when they were young. Ginkgo is my best guess as well, though it could possibly be another kind of petrified wood from the same area. Is it possible to figure out what kind of tree this could have been once just from looking at it?

(A side note, I LOVE the center of the biggest piece, haha. I’m thinking it’s agate(?) with druzy crystal in the very middle, since it sparkles when I hold it in the sunlight)

It IS a fossil…right?! Found in a stream in Fairfield County, Ohio. It looks so much different than the Ordovician stuff I find at places like Caesar Creek. I’m assuming they’re of marine origin but no idea the time period. I’ve looked online and haven’t been able to find anything that looks quite like this feller.

I’m curious about the orange “rust” that surrounds each one. Is that just from the fossilization process? Some kind of reaction to the silt that turned into shale?