Edwardsiidae with the column divisible into physa, scapus and scapulus. Physa without apertures, scapus probably with tenaculi. No sphincter. Tentacles up to 24 in number, short. Siphonoglyphs indistinct. Only 8 mesenteries, arranged as the macrocnemes in Edwardsia perfect and provided with retractors. The fifth and sixth couples weak. Mesenteries probably somewhat more numerous than the tentacles. Only the lateral couples fertile and provided with filaments.
Halcampa Oustromovi [sic] Wyragewitch 1905
Definitions and contained taxa are those of Oscar Carlgren as published in 1949 : Kungl Svenska Vetenskapsakadamiens Handlingar, Series 4, Volume 1, Number 1