My rock collection. Need help Identifying

[Jerkie]

I have had these rocks for quite some time. Would love for someone with the knowledge to name the type. I found these growing up along the nuecus,and Frio river South Central Texas hill country.

 

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[Jerkie]

For to put these in also. Thanks everyone.

 

[Indian Steve]

I believe your shell is a exogyra ? I'm guessing at spelling.

 

[Gavinsdiscoveries]

Most of these are guesses

Called an exogyra - They lived warm seas during the Jurassic and Cretaceous periods. 200 - 75 million years old!

Fluorite , Amazonite, or Green Apophyllite

something with shist?

Flint

Flint arrow parts

 

[Gavinsdiscoveries]

Brachiopod? in limestone?

petrified wood?

 

[Jerkie]

View attachment 1525233 Brachiopod? in limestone?

View attachment 1525235 petrified wood?

That's what I'm thinking, but also looks like a bone

 

[Jerkie]

Prehistoric chicken?? Lol I don't know why but this looks like a bird are something skull the pics I took aren't really great. It has both eye sockets and nasal passages