Callistoctopus xiaohongxu sp. nov. A proximal portion of arms 1–3 (left side), male, 49.5 mm ML (OUC-201812050301) B funnel organ, male, 53.2 mm ML (OUC-201812050302) C oral view of basal portion of arms, male, 63.2mm ML (OUC-201812050304) D distal portion of hectocotylus, male, 63.2 mm ML (OUC-201812050304). Abbreviations: c, calamus; l, ligula. Scale bars: 10 mm (B, C, D).

 
 
  Part of: Zheng X, Xu C, Li J (2022) Morphological description and mitochondrial DNA-based phylogenetic placement of a new species of Callistoctopus Taki, 1964 (Cephalopoda, Octopodidae) from the southeast waters of China. ZooKeys 1121: 1-15. https://doi.org/10.3897/zookeys.1121.86264