Graeconiscus gevi sp. nov., male paratype A dorsal view B cephalon, dorsal C last pereonite, pleon and pleotelson, dorsal D last pereonites, pleon and pleotelson, lateral view (arrow points the tubercle of third pleon-tergite) E–G Graeconiscus thermophilus, male specimen from Cyprus E dorsal view F last pereonites, pleon and pleotelson G last pereonite, pleon and pleotelson, lateral view (arrow points the tubercle of third pleon-tergite) H tegumentary basal structure (left G. gevi sp. nov.; right, G. thermophilus).