Species of Helicoradomenia are constantly found at hydrothermal vent sites of the eastern and western Pacific Ocean. The digestive tract of 2 species of the genus was investigated with special focus ...

THE object of the author was to establish the fact that the system of blood-containing spaces pervading the body in Mollusca and in Arthropoda was not, as sometimes (and indeed usually) supposed, ...

This is a preview. Log in through your library . Abstract The structure of the larval and juvenile central nervous system (CNS) in Berghia verrucicornis, an aeolid nudibranch, was examined using 1-μm ...