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 - 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)
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)