Brains: what's the difference?

[Sipec]

Upon seeing a recent post I am now questioning what is what in my tank
What is the difference between the different types of brain corals? (Favia, goniastrea, favites, etc)

 

[Sipec]

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[Sipec]

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[Sipec]

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[Sipec]

Bowerbanki too like wut

 

[Johniejumbo]

I could use a break down as well. Hard to tell the difference.

 

[Sipec]

Echinata as well