Maps showing the localities of the material studied. 1 British Isles for G. minutus, G. caspius, G. paykulli, G. marinus, G. natator, G. substriatus, G. suffriani, G. urinator and O. villosus 2 Stockholm area of Sweden for G. opacus 3 Greenland for G. opacus 4 Kuwait for G. distinctus fairmairei. For symbols see Table 1.

 
 
  Part of: Angus RB, Holloway TC (2016) A chromosomal analysis of eleven species of Gyrinidae (Coleoptera). Comparative Cytogenetics 10(1): 189-202. https://doi.org/10.3897/CompCytogen.v10i1.7662