Foraminifera - Fusulinoidea - Polydiexodinidae
Parent taxon: Fusulinoidea according to C. H. Stevens and P. Stone 2009
Sister taxa: Aljutovella, Aljutovellidae, Alpinoschwagerina, Boultoniidae, Citronites, Eostaffellidae, Eowaeringella, Frumentella, Fusulinidae, Kansanella, Klamathina, Likharevites, Nagatodarvasiella, Nagatoella, Neoschwagerinidae, Neostaffella, Occidentoschwagerina, Ozawainellidae, Paleofusulinidae, Paraleeina, Parastaffelloides, Parawedekindellina, Parazellia, Plectofusulina, Profusulinellidae, Pseudostaffellidae, Putrella, Schubertellidae, Schwagerinidae, Seminovella, Staffellidae, Thompsonella, Tumulotriticites, Ultradaixina, Verbeekinidae, Wedekindellina, Wutuella
Subtaxa: Parafusulininae Skinnerella
Ecology: stationary semi-infaunal omnivore
Distribution:
• Permian of Iran (33 collections), the Russian Federation (8), Tajikistan (9), Thailand (2), Ukraine (1), United States (10: California, Texas)
Total: 63 collections including 120 occurrences