Ag-nucleoli of interphase. a 1, 2 or 3 normal nucleolus organizer regions (NORs) in interphase of O. minor and A. fangsiao, and the two species mainly contain 2 NORs b 1 or 2 NORs in interphase of C. chinensis, and most of them contain 1 NORs . Scale bar: 5 μm.

  Part of: Wang J-h, Zheng X-d (2018) Cytogenetic studies in three octopods, Octopus minor, Amphioctopus fangsiao, and Cistopus chinensis from the coast of China. Comparative Cytogenetics 12(3): 373-386.