Full reference: J. Sigal. 1952. Aperçu stratigraphique sur la micropaléontologie du Crétacé. Monographies Régionales, Algérie 1(26):3-43
Parent taxon: Rotaliida according to J. Sigal 1952
Sister taxa: Acervulinoidea, Asterigerinoidea, Calcarinoidea, Cassidulinoidea, Chilostomelloidea, Discorboidea, Elphdiidae, Eouvigerinidae, Eouvigerinoidea, Glabratelloidea, Loxostomatoidea, Miogypsinidae, Nonionacea, Nonionoidea, Planorbulinoidea, Protosangularia, Siphogenerinoididae, Stainforthiidae
Subtaxa: Pseudoparrellidae
Ecology: stationary semi-infaunal omnivore
Distribution:
• Quaternary of Indian Ocean (5 collections), North Pacific (48)
• Pliocene of North Pacific (5)
• Miocene of North Pacific (1)
Total: 59 collections each including a single occurrence