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Help identify Very strange rock found in ky

I found this fossil in a pallet of rocks I got for landscaping. The rock came out of the Arkansas river. When you stick your tongue to it, it sticks as a bone would. I think it looks like reptilian skin. Could anybody help me out?

The last of my new Glossopteris acquisitions. This one has small bumps on the leaves. Could these be Microconchids ?

Found on Myrtle Beach. Seems to be almost enamel-like beneath the bumps, as if the bumps were added later. But I can't remove any of the bumps so it's a solid piece. It's thin, and the bumps are on all sides. Thanks! - Paula

Hi there! First time poster, so I apologize if I'm lacking information. Also, my phone died on my way to the location, so I couldn't take pictures of the area I found them in. I tried to doodle a picture, but I'm no artist. Today I decided to check out a beach I had heard about near Port Angeles on the Olympic Peninsula of Washington State. . On this beach, there is a section of mudstone/sandstone about 60 feet tall and 100 feet long. At the base of the slope was a boulder(also sanstone/mudstone) about 6 feet tall and 4-5 feet around. It must've recently fallen because it was crumbling more and more just from looking at it. Right in the middle of the clump there was some sort of long, lumpy fossil(thought it was, sounds like it's not ;)). I have no idea what it could be. I've googled "lumpy dinosaurs", "lumpy whale vertebrae", and a few more embarrassing amature terms, all to no avail. If anyone could help me identify these, I would be EXTREMELY grateful! I've definitely caught the fossil/rock hunting bug and am really excited about finding these. If any other pictures/measurements would be helpful, just let me know. The largest piece is about the size of a volleyball. Edit** forgot to add, it was found in either lower tertiary sediment, or quaternary sediments. Sort of on the border of the two according to my map Edit #2** Just did a little more researching on the area, and it is part of the Twin River Formation. "Upper member, massive to thin-bedded mudstone and siltstone. Olive gray to greenish gray mudstone, claystone, and siltstone are poorly indurated and contain thin beds of calcareous claystone and a few thin to very thick beds of massive calcareous sandstone. Spherical, cylindrical, or irregular shaped calcareous concretions common"

More ichnofossils, this time from the Ordovician of the Georgian Bay Fm (Lower member) in Toronto ON. @JUAN EMMANUEL sent them to me. In particular we got wondering about the little bumps all over the 2 pieces in the first pic, and the large 'mound' (or infilled hole) in the last pics. Anyone have any IDs for these or suggestions as to the nature of their formation? Here is the 'mound', with 3 side views.

I'd like to put this up for opinions... A thin limy layer interrupting the usual black shales from my usual Upper Cretaceous site (there are bits of the shale still stuck on top here and there). To me it screams of something like a bacterial mat, but I don't know. I can't imagine any non-biological process of formation, but maybe there is one that I haven't considered? The last pic shows an edge to give an idea of the thin lighter-colored layer. These pieces were all from one contiguous surface a couple feet square or so on a chunk of shale - the only one I have found up there so far with this particular pattern, but in other spots at this site and other sites, I have found similar calcareous(?) 'blobs' of all sizes that seem to have something to do with life, sometimes associated with obvious fossils such as Ino- and Sphenoceramus shells (no fossils were evident on this surface, though).

Tiny little fossils with itty bitty raised dots?