Inside the umbilicus the “Riaprioceras” state shows itself (width of view = 1.5 cm)
Inside the umbilicus the “Riaprioceras” state shows itself (width of view = 1.5 cm)
Inside the umbilicus the “Riaprioceras” state shows itself (width of view = 1.5 cm)
Inside the umbilicus the “Riaprioceras” state shows itself (width of view = 1.5 cm)