This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
F. Kobayashi, 2006 - Middle Permian foraminifers of the Izuru and Nabeyama Formations in the Kuzu area, Tochigi Prefecture, Japan Part 2. Schubertellid and ozawainellid fusulinoideans, and non-fusulinoidean foraminifers - Paleontological Research (10), 61-77 (journal article, English)
F. Kobayashi, 2006 - Latest Permian (Changhsingian) foraminifers in the Mikata area, Hyogo - Late Paleozoic and early Mesozoic foraminifers of Hyogo, Japan, Part 3 - Nature and Human Activities (10), 15-24 (journal article, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
V. I. Davydov, 1996 - Systematic paleontology, in Permian fusulinids from the Koryak terrane, northeastern Russia, and their paleobiogeographic affinity - Journal of Foraminiferal Research (26), 213-243 (journal article, English)
J. R. Groves, 1988 - Calcareous foraminifers from the Bashkirian Stratotype (Middle Carboniferous, South Urals)and their significance for intercontinental correlations and the evolution of the Fusulinidae - Journal of Paleontology (62), 368-399 (journal article, English)
A. R. Loeblich, 1984 - Suprageneric classification of the Foraminiferida (Protozoa) - Micropaleontology (30), 1-70 (journal article, English)