Motility and calcareous parts in extant and fossil Acrothoracica (Crustacea: Cirripedia), based primarily upon new species burrowing in the deep-sea scleractinian coral Enallopsammia

Four new species of bathyal acrothoracican barnacles of the family Lithoglyptidae are described: Lithoglyptes viatrix and Hawaii, L. tectoscrobis and Weltneria ligamenta from Tonga, and W. griggi from the Caribbean island of Grenada. All burrow in ahermatypic corals of the genus Enallopsammi