According to Knudsen et al. (2009) Deoterthridae are present on Cumcea. But I suggest you contact specialists in that group such as Huys or Boxshall or others for confirmation.
Knudsen, S.W., M. Kirkegaard, and J. Olesen. 2009. The tantulocarid genus Arcticotantalus [sic] removed from Basipodellidae into Deoterthridae (Crustacea: Maxillopoda) after the description of a new species from Greenland, with first live photographs and an overview of the class. Zootaxa 2035: 41–68.