e/Psammoactinia antarctica

Information
has gloss	eng: Psammoactinia antarctica was an encrusting, colonial cnidarian in the family Hydractiniidae that lived in the Cretaceous Antarctic. Within its family, P. antarctica had the unusual ability to agglutinate sand and silt grants, incorporating them into the basal layer and pillars making up the wall of the chambers of its laminae. It encrusted gastropod shells inhabited by hermit crabs of the genus Paguristes.
lexicalization	eng: Psammoactinia antarctica
instance of	(noun) hydras; polyps; jellyfishes; sea anemones; corals phylum Coelenterata, phylum Cnidaria, Cnidaria, Coelenterata