Country;Publication
Botswana;"Marazzi (2014)"
Cameroon;"Stager (1999)"
Chad;"Compère (1975: fig. 55)"
Ethiopia;"Kebede and Belay (1994)"
Ghana;"Foged (1966: pl. III fig. 13); Smith et al. (2015)"
"Ivory Coast";"Iltis (1984)"
Mali;"Maillard (1977)"
Mozambique;"Compère (1975)"
Namibia;"Cholnoky (1966: pl. I figs 19–23)"
Nigeria;"Ziller and Economou-Amilli (1998); Ekhator et al. (2014)"
"Sierra Leone";"Carter and Denny (1982: figs 54–55)"
"South Africa";"Cholnoky (1958: pl. I figs 2–5)"
Tanzania;"Barker et al. (2003)"
Zambia;"Thomasson (1966)"