Curious growth. ID help.

[twin77]

I've had this growth for a while but it has recently started growing at a fast pace. Took advantage to take a pic when the xenia was closed up. Thank you

 

[Elementalj]

I think I plucked that before. Reminded me of a macro.

 

[Lionfish Lair]

It also could be a Foraminiferan.

 

[Elementalj]

True.

 

[Elementalj]

Reminded me of a fractal