Could these be some sort of Rudists?

[mtwoman]

Found in Parker County, Aledo area, Texas, USA, 4-1-21. Limestone base.

[DPS Ammonite]

14 minutes ago, mtwoman said:

Found in Parker County, Aledo area, Texas, USA, 4-1-21. Limestone base.

 

Looks sort of like a Pinna bivalve that occur in Texas Cretaceous rocks.

 

https://en.m.wikipedia.org/wiki/Pinna_carnea

 

 

[mtwoman]

OH! Interesting. Will do more research. 

[DPS Ammonite]

Are these also from the Goodland Fm? Pinnas occur there.

 

http://northtexasfossils.com/goodland.htm

[mtwoman]

Yes they are. Thank you.

[mtwoman]

So, according to all that info, not many Rudists appear in the Goodland.
I found these there as well...and they seem to be Rudists. Something else? Coral?
I thank you for your help...and patience...I have collected all my life, but just really beginning to 

seriously ID what I have. Your help is appreciated!! 1st 3 pics are one piece, next 3 pics is another.