Microfossils from the Kaw river Kansas

[Bonehunter]

I did my first microfossil sifting on the sandbars of the Kaw river in Kansas (I posted the trip on the forum  ). Anywho, I found this microfossil that reminds me of modern day cowrie in pattern but I'm guessing its a coral? The second I am pretty sure is coral, the third is a worn crinoid segment? and the fourth, ummm I don't have a clue- one side has three parallel ridges- thoughts? Appreciate all the help as always!   Bone

 

 

[Al Dente]

This one is probably a fusulinid.

 

 

[Bonehunter]

3 hours ago, Al Dente said:

This one is probably a fusulinid.

 

 

yes, that makes sense!......................so which species/taxa/close approximation?................thanks for this!!!    Bone