Need IDs Please

[ydok]

These were all found in Putnam County, Indiana today. Just wanted some help identifying. 

Thanks!


1. Very lightweight. Was able to break it in half. Almost felt like wood. I know this probably isn't a fossil, but everyone is very knowledgeable here lol

 

 

2. I know there are crinoids and sponge in here, but I'm not sure what the larger white ones are.  

 

 

3. Again, I know these are crinoids, but is that large piece also a crinoid? 

 

4. Is this just an odd-shaped rock? 

 

[Rockwood]

5 hours ago, ydok said:

2. I know there are crinoids and sponge in here, but I'm not sure what the larger white ones are. 

I think your sponge is actually bryozoan. Most are fenestrates, with a few bits of other types. 

[Rockwood]

5 hours ago, ydok said:

1. Very lightweight. Was able to break it in half. Almost felt like wood.

Coal is my thought.

[Rockwood]

5 hours ago, ydok said:

3. Again, I know these are crinoids, but is that large piece also a crinoid? 

A fragment of a calyx I think.

[Fin Lover]

Yeah, I could see #1 being coal.  I believe #4 is just a rock.

[Mark Kmiecik]

In Illinois and Indiana anything that's dark light and easily broken has a 99% chance of being coal. The others are bits of bryozoans, crinoids and molluscs. The fourth appears to be a suggestively shaped rock, but could be something else. Hard to tell from the photos.