Love me some algae... I think?

[d.can82]

While the tank is cycling, I seem to be going through a pretty big algae bloom... besides the hair that is. Any ideas on ID's for this stuff?

I think this may be sargassum with a mix of halimeda:

This stuff I'm clueless on:

Thanks for any help!

 

[Travis L. Stevens]

I think you're right on the first one and the second one is a calcerous algae called Neomeris