"Pentacrinoid" Quotes from Famous Books
... by the coalescence of which the Echinoderms may have been produced; but, even supposing the resemblance of these worms to detached starfish arms to be perfect, it is possible that they may be the extreme term, and not the commencement, of Echinoderm development. A pentacrinoid Echinoderm, with a complete jointed stalk, is developed within the larva of Antedon. Is it not possible that the larva of Crossopodia may have developed a ...![](http://www.freetranslator.org/rquot.gif) — Critiques and Addresses • Thomas Henry Huxley |