Acephala

acephala Translingual Bivalvia Bivalvia Etymology mul la-new -, from mul grc ἀκέφαλος headless. See Acephal Proper noun mul obsolete class phylum Mollusca the Bivalvia en mul Philip Henry Gosse Natural History 1854 57 Naturalists arrange the Mollusca in six classes, named Cephalopoda, Pteropoda, Gasteropoda, Conchifera, Brachiopoda, and Tunicata. Of these the first three are sometimes distinguished as Encephala, or furnished with a head; the last three as Acephala, being destitute of that organ. A group or variety of Brassica oleracea species, including kale and collard greens Related terms Encephala Further reading mul Taxonomic names (obsolete)