Possibly horn coral or a piece of a Crinoid stem

Rugose coral I think

Thanks @Alex Stone

Yes, I think @holly-romanek is correct. Looks like a nice sized geode

Possible oyster or clam?? Not sure, very cool though

Agreed! @holly-romanek

Thanks @allen-schoffner and @aiden-gore

Thanks @holly-romanek, I liked your specimens as well. Actually, your posts from last week as well as a post from @ali-senty-haugen inspired me to post this specimen, so thanks to both of you! The grey webbed fossil you are referring to is one of many different forms of a filter-feeding animal called Bryozoan (AKA “Moss Animals”). If you copy and…[Read more]

Yes

It may be Rugose coral

Approximately, not exact location

Where at in Indiana?

There’s more to see in there, start chipping away at it!

Agree with @a-trilobite, looks like bryozoan. However, suppose it could be coral. Hard to say for sure without knowing the scale. I believe coral chambers are slightly larger than the bryozoan chambers

Thank you @chloe-geddes for the information. The time scavenger blog link was very helpful and interesting. Going to check out the zombie link shortly. This specimen weighs a good deal more than what a modern clam would weigh and it is solid like rock. I think it’s a fossil but not 100% certain so I will see what I can do with determining a d…[Read more]

Yes it was

@a-trilobite it’s actually the 8th post that you come to 24 days ago when scrolling up. Then view the comments… if you care to, don’t blame you if you don’t …. thanks again

Thanks for the info @a-trilobite As for the reference to my sad attempt at being humorous, you would have to go to the “what is it” main page and scroll down to 24 days ago and read the opening post