hadromerina

from The Century Dictionary.

• An order of monaxonidan Demospongiæ, usually of massive form, sometimes stalked or cup-shaped, of compact structure, with the skeletal framework radiate or without order, and the spongin absent or very feebly developed. It includes several families, among them the Coppatiidæ. Clionidæ., and Suberitidæ.