Nicolai Josephi Jacquin Miscellanea austriaca ad botanicam, chemiam, et historiam naturalem spectantia, cum figuris partim coloratis Vindobonae Ex officina Krausiana, 1778-1781., The illustration features a detailed anatomical study of a mollusk, showcasing both its external shell structure and internal features. The top section presents a series of smaller drawings that depict various skeletal elements, possibly highlighting the organism's morphology. Below, the focus shifts to the opened shell, revealing textured patterns and coloration on the interior surface, which suggests unique biological characteristics. The title at the bottom references a specific volume, suggesting this is part of a larger scientific work dedicated to marine life examinations.