Example of method used to determine percentage of pigmentation on lateral portion of shell in N. samoaensis sp. nov.

 
 
  Part of: Barord GJ, Combosch DJ, Giribet G, Landman N, Lemer S, Veloso J, Ward PD (2023) Three new species of Nautilus Linnaeus, 1758 (Mollusca, Cephalopoda) from the Coral Sea and South Pacific. ZooKeys 1143: 51-69. https://doi.org/10.3897/zookeys.1143.84427