Help identifying Indian artifacts or are these just rocks?

[Jcneff6]

I found these around lake texoma and I can't find information about them being a uninformed newbie who has been gathering rocks of interest for . If the images didn't load I could use some pointers on how to do it Any help is greatly appreciated

 

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[bradyboy]

you have a few intermeeting finds there, looking forward to see who chimes in
welcome to TN
Brady

 

[Jcneff6]

Thanks for the greetings and I love Clearwater I spent a couple weeks this last summer

 

[Charlie P. (NY)]

First one might be the head of a fossilized crinoid.

 

[flinthunter]

Sorry, I don't see anything that has been altered by man. The first picture could be a fossil but better pictures might be needed to be sure.

 

[Back-of-the-boat]

Your first item looks like some type of fossilized nut.

 

[CRUSADER]

I agree that 2 of them including the big one looks to be fossils.

 

[Geochem]

More angles and close ups pics would help in more accurate identification.

By first appearance the second and forth could have human tool artifact potential, with the first possibly being a fossil and third item banded quartz agate.