Work found, with species-group names introduced therein:
Verhecken, A. 1991. Description of two new species of bathyal Cancellariidae (Mollusca, Gastropoda) from off Brazil. Bulletin du Muséum National d'Histoire Naturelle (Zoologie) (4)12 547-553. [Stated date: 22 Mar 1991.] Axelella brasiliensis Brocchinia pustulosa