Life colour variation in Ptenopus sceletus sp. nov.: A NMNW R12103 (paratype) from N of Swakopmund, Erongo Region, Namibia (–22.6259, 14.5457); B NMNW R12101 (allotype) from locality A; C NMNW R11763 from Hoanib River, Kunene Region, Nambia (–19.3539, 13.1453); D NMNW R11754 from Henties Bay, Erongo Region, Namibia (–22.1584, 14.3086); E NMNW R12100 (holotype) and NMNW R011771 from the same locality as A, showing sexual dichromatism in gular patches of this species (male gular patch may be divided or undivided, while female only has slight shades of yellow on lateral edges); F NMNW R11771 from N of Swakop River near Swakopmund (–22.6652, 14.57619) and NMNW R11755 from N of the Omaruru River near Henties Bay (–21.7703, 14.5520), showing iris colour variation from silver (most common in the sourthern extreme of the range) to brown (more common further north). Photos by Francois S. Becker.

 
 
  Part of: Becker FS, Alexander GJ, Tolley KA (2025) Singing on key: An integrative taxonomic revision of barking geckos (Gekkonidae: Ptenopus) with six additional species and keys for morphology and advertisement calls. Vertebrate Zoology 75: 277-323. https://doi.org/10.3897/vz.75.e153514