comparative organization of invertebrate animals currently alive or represented in the primitive period by many species, vintage

actinospherium alive ancient animal antique art artwork aurylepta biology color colored comparative coral crustacean current digest drawing echinoderine edible engraved engraving etching flat growth hand hotothurie illustration invertebrate mollusc natural nature old organisation organism oyster period picture prey primitive protozoan sanguinotenta science seize species vintage white worm zoophyte