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My friend found these about 15ft underground in Polaski County Missouri. He said there were quite a few like 68 I think. Each one has something on the inside that rattles when you shake it. He busted the one in top left of main photo open and it looks to be a yolk but not sure. All his eggs are roughly the same size beside the small one on right and I would say they are a little larger than baseball size but can't say for sure what measurements are. Any ideas?

My son brought me a rock from Pulaski, TN, and I am trying to study it and identify the various elements in it. From what I can tell (and from what I have learned here in the past) I believe it is mostly made up of encrusted bryozoans, although there is something different about them. There are tiny filament like "sticks" that I have not seen before. Is that perhaps just a type of bryozoan that I am unfamiliar with (quite possible!). There are also a number of embedded items in the rock. The third photo here shows two of them, side by side. I remember from previous answers that I have gotten here that sometimes you see items like this that have "silicalized" (did I get the right word) inside of a rock? Input appreciated! Ramona This is another item that is embedded in the rock and it is surrounded by softer dirt, so I have dug out around it some. I am afraid to dig much more, as I don't want to damage it. Third photo is yet another, similar, embedded item - they all seem to be the same type of thing. Thanks! Ramona

I'm still trying to find an example of a xenomorph for @Rockwood and I ran across this strange scene on my 57 pound rock (yes, we weighed it) from my son's land in Pulaski, TN. I know from what I learned here that the pink part is trepostome bryozoan fossils (I love the coloring, by the way!). It appears to have almost a shell over it, though? And in another place a portion of it is "peeking through" the shell like substance? Is that another type of encrusting bryozoan? If so, would that make this a xenomorph? Thanks! Ramona

Since this large rock is filled with Bryozoan fossils, I went off in a search to study Bryozoans. I ended up back on this group, reading a post where Rockwood identified a photo as a Horn Coral cross section, and it looked very similar to what I have, LOL! So, I am sticking my neck out there and asking if this might be a cross section of Horn Coral? This is an edge of the large rock, so you are seeing two sides of it. (first shots are looking at it from the side, third photo is looking down from the top) I have photographed it from many angles and have studied it a lot. There seem to be some kind of sections in the center, which is what went "ding, ding, ding" in the previous post that I read on the forum regarding horn coral. If I am wrong, at least I tried to figure it out, and I have learned quite a bit about Bryozoans in the meantime, LOL! This fossil is on a large rock that was found in Pulaski, TN, at the base of a hill/small mountain (rock weighs about 50 pounds or so). I can share (many!) more photos if needed. I will post scaled photos in the comments. Thanks! Ramona

I had a chance to look for rocks in a new location today and WOO HOO, I found a huge rock that should keep me busy for a while! This baby is filled with tons of interesting things! I am going to start with just a couple of questions that I THINK I may know the answers to. Are these samples of a type of Fenestrate Bryozoan fossil? If not, maybe coral of some type? These were found at the base of a small mountain/hill in Pulaski, TN, where no fossil hunting has been done (yet!). If these are a type of Fenestrate Bryozoan, it looks like they have more of the structure intact than I am used to - thoughts on that? Thanks again! Ramona