IN NATURE of December 8 there appears an article by my friend Dr. F. A. Bather entitled “Echinoderm Larvæ and their Bearing on Classification.” The article consists of a review of Dr. Mortensen's work ...

Scientists have discovered a new species that lived more than 500 million years ago -- a form of ancient echinoderm that was ancestral to modern-day groups such as sea cucumbers, sea urchins, sea ...

Marine biologist Dr. Dave Pawson has embarked on over 100 dives to the ocean floor to unravel the mysteries of elusive invertebrates like sea cucumbers and brittle stars Emma Saaty There are few ...

New research reports an intact Hox cluster in the Crown of Thorns starfish, Acanthaster planci. This surprising result contrasts with the relatively disorganized Hox cluster found in sea urchins, ...

This news release is available in Japanese. New research published in the journal genesis, by Kenneth Baughman, Dr. Eiichi Shoguchi, Professor Noriyuki Satoh of the Marine Genomics Unit at the Okinawa ...

Downey, Maureen E. 1971. "A New Species of the Genus Solaster (Echinodermata: Asteroidea) from Martinique." Proceedings of the Biological Society of Washington, 84, (4) 39–42.

THOUGH loth to prolong this discussion, I wish, in fairness to Dr. Mortensen and myself, to say that I did not accuse Dr. Mortensen of regarding the echinoderm metamorphosis as a case of metagenesis.