Subgenus Ankylopteryx Brauer, 1864

Brauer 1864: 899; Hagen 1866: 377; Kuwayama 1924: 7; Banks 1938: 225; Tjeder 1966: 497; Hölzel 1970: 50; Hölzel 1973: 382; New 1980: 15; Brooks 1983: 6; Tsukaguchi 1985: 505; Brooks and Barnard 1990: 125, 155; Tsukaguchi 1995: 122; Yang et al. 2005: 49.

Type species: Chrysopa venusta Hagen, 1853, by subsequent designation (Tjeder, 1966).

Synonymy. Ethiochrysa Fraser, 1952: 57; Brooks and Barnard 1990: 155 (synonymized Ethiochrysa Fraser, 1952 with Ankylopteryx Brauer, 1864). Type species: Ethiochrysa polychlora Fraser, 1952, by monotypy.

Diagnosis. See Ma et al. (2020).