ID Please?

[Dugless]

A wild piece. An Australian Acropora from what the LFS told me. Thoughts?

 

[Frick]

Depends on how it grows out;

If it grows in large thick branches then Acropora austera.
http://coral.aims.gov.au/speciesPages/species_metadata/0010/view#

A. loripes if it grows in a cluster like it is now.
http://coral.aims.gov.au/speciesPages/species_metadata/0042/view#

Maybe A. willisae if it tables.
http://coral.aims.gov.au/speciesPages/species_metadata/0080/view#