Are these ribbon worms ? Thank you for any help

[Jayspico]

 

[TheDragonsReef]

Bottom picture is a spaghetti worm. Not sure about the top

 

[Jayspico]

Bottom picture is a spaghetti worm. Not sure about the top

I think they are the same top one just has its appendages pulled in

 

[Jayspico]

Bump

 

[Jayspico]

Bump

Nvm so the top pic is the spaghetti worm out of the sand pretty cool

 

[LiveFreeAndReef]

They're ugly little buggers! Just saw one on my glass for the first time today