The first photo I posted yes is very simular if not the same as the one you posted.
They are simply known as yellow polyps or common yellow polyps or Parazoanthus axinellae
If you have the Aquarium Corals book they are found on page 189-91.
Prefers moderate light and corrent, individual fluted colonies ith unconnected polyps.
The second photo I posted is of a Pachyclavularia violacea or green star polyps. When I was in chat with you yesterday I was refering to these. They ca
be found on page 119-21 of the Aquarium Corals book.