What's This Stuff Growing on my Devonian Coral??

[mikeymig]

I just finished cleaning this Heliophyllum confluens (Colonial Rugose Coral)

Middle Devonian, 
Hamilton Group, Jaycox Member. 
Western New York. 

6" x 4" x 4.5"

and its covered in epibionts.

Most I know  - 1. Brachiopod (Petrocrania hamiltoniae)  2. Bryozoa (Lichenalia stellata)  3. Crinoid Holdfast  4. Bryozoa? Coral?_________?

5. Coral (Pleurodictyum)  6. Crinoid Holdfast? Bryozoa (Fenestrate) Holdfast? 

 

Any help with numbers 4. and 6. is appreciated.

 

Edited August 19, 2022 by mikeymig