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paleopallium(păl″ē-ō-păl′ē-ŭm) [Gr. palaios, old + L. pallium, cloak]
The parts of the rhinencephalon that receive direct input from the olfactory bulb.
that part of the pallium (cerebral cortex) developing with the archipallium in association with the olfactory system; it is phylogenetically older and less stratified than the neopallium, and composed chiefly of the piriform cortex and parahippocampal gyrus. Called also paleocortex.