Placosmilia vidali=Aulosmilia archiaci and Serpulidae SOLD

Placosmilia It is a genus of hard corals (order Scleractinia) belonging to the class Anthozoa (Anthozoans: polyp form). It is characterized by being a solitary coral, generally conical, apex slightly curved and with transverse grooves. It belongs to the subclass Hexacorallia, characterized by having polyps with tentacles and internal septa in numbers of six or multiples of six.

Serpulids (Serpulidae) are a family of annelids (from Latin anellus, "small ring") polychaetes (many chaetae) that build calcareous tubes in which they live. Annelids are invertebrate animals with a vermiform appearance and generally with their bodies segmented into rings.​