Coral ID

[reefkeeper1]

Picked up my corals order from lazys coral house in Dayton Ohio and received a extra coral I didn't order and can't figure out what it is and how to care for it please help ID

 

[Cell]

Looks like a lithophyllon.

 

[encrustingacro]

Colonial Cycloseris; something like C. wellsi or C. explanulata.

http://www.coralsoftheworld.org/species_factsheets/species_factsheet_summary/psammocora-explanulata/

http://www.coralsoftheworld.org/species_factsheets/species_factsheet_summary/coscinaraea-wellsi/