Genus Hemimycale Burton, 1934

Diagnosis. Hymedesmiidae without acanthostyles and microscleres other than raphides. Megascleres strongyles, oxeas and styles. Styles and strongyles not divisible into ectosomal or choanosomal spicules. Oxeas when present are in the choanosome only (from Hughenin et al. 2018: 140).

Type species. Desmacidon columella Bowerbank, 1874 (type by original designation); currently accepted as Hemimycale columella (Bowerbank, 1874) (van Soest 2002b) .

Type locality. Exmouth, England, in tidal pools (van Soest 2002b).