Blastoidea

Blastoidea, and Edrioasterida, among the Echinoderms; and two, the

Essays 2007

There is no certainly known extinct order of Protozoa; there is but one among the Coelenterata -- that of the rugose corals; there is none among the Mollusca; there are three, the Cystidea, Blastoidea, and

Lectures and Essays Thomas Henry Huxley 1860

There is no certainly known extinct order of Protozoa; there is but one among the Coelenterata -- that of the rugose corals; there is none among the Mollusca; there are three, the Cystidea, Blastoidea, and

Lay Sermons, Addresses and Reviews Thomas Henry Huxley 1860