Hypodiscus 1a Kogelberg, Western Cape, South Africa 100917 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hypodiscus 1b Kogelberg, Western Cape, South Africa 100917 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Hypodiscus aristatus Kogelberg, Western Cape, South Africa 100917 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).