Publication of the standard reference work on marine animals, Libri de piscibus marinis in quibus verae piscium effigies expressae sunt by
Guillaume Rondelet, Chancellor of the
University of Montpellier; his anatomical drawing of a
sea urchin is the earliest extant depiction of an
invertebrate.[4] Rondelet's Methodus de materia medicinali et compositione medicamentorum Palavii is also published.