Type species of alycaeid genus-group taxa A Pincerna constricta (Benson, 1851), syntype (NHMUK 1906.4.4.41; type species of Cycloryx) B Pincerna liratula (Preston, 1907), syntype (NHMUK 1907.5.20.191; type species of Pincerna) C Stomacosmethis sarasinorum (Bollinger, 1918), lectotype (NHMB 2411.a; type species of Stomacosmethis). Photographs: Harold Taylor (A, B); Eduard Stoeckli (C).

 
 
  Part of: Páll-Gergely B, Sajan S, Tripathy B, Meng K, Asami T, Ablett JD (2020) Genus-level revision of the Alycaeidae (Gastropoda, Cyclophoroidea), with an annotated species catalogue. ZooKeys 981: 1-220. https://doi.org/10.3897/zookeys.981.53583