Coral ID help needed

[NotSoLocalFishFan]

Found this one coral growing on a rock, I never intended to purchase this coral and I’m curious as to what it is.
It’s like this weird disk, I’ve been told it’s a baby Duncan coral, but also I’ve been told it’s a mushroom coral, genuinely confused.
It’s the large coral to the left of the star polyps

 

[sfin52]

Found this one coral growing on a rock, I never intended to purchase this coral and I’m curious as to what it is.
It’s like this weird disk, I’ve been told it’s a baby Duncan coral, but also I’ve been told it’s a mushroom coral, genuinely confused.
It’s the large coral to the left of the star polyps

Looks like a yuma recordia mushroom coral

 

[lilzman8]

Almost looks like my BTA when it was on the brink of death but recovering