An account of the Crustacea of Norway Christiania, A. Cammermeyer, 1895-1928. Crustacea, Norway, Crustaceans, A detailed illustration showcasing various species of Isopoda, commonly known as isopods. The diagram includes labeled anatomical features and different views of the organisms, highlighting their segmented bodies and distinct structures. The top section presents two species of the genus Pleurocrypta, identified as marginata and microbranchiata, featuring intricate detailing of their dorsal and ventral aspects. The bottom portion continues with more isopod specimens, offering a closer look at their morphology, such as appendages and body segmentation. This scientific representation emphasizes the diversity and complexity of isopods within the broader classification of Crustacea.