A bold claim about the origins of the echinoderms is based on newly discovered fossils from China. But many pieces are still missing from this part of the fragmented puzzle of life's evolutionary ...
The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...
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 ...
The rates of oxygen consumption by embryos of antarctic echinoderms (Acodontaster hodgsoni, Odontaster validus. Psilaster charcoti, and Sterechinus neumayeri) were compared to the biomass (ash-free ...
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