Foraminifera - Fusulinoidea - Staffellidae
Alternative spelling: Pseudoendothyridae
Parent taxon: Staffellidae according to V. I. Davydov 1996
See also Loeblich and Tappan 1984
Sister taxa: Eoverbeekina, Kahlerininae, Leella, Nankinella, Nankinellinae, Pisolina, Pseudoreichelina, Sphaerulina, Staffella
Subtaxa: Parastaffella Pseudoendothyra
Ecology: stationary semi-infaunal omnivore
Distribution:
• Permian of Iran (4 collections), Italy (2), Japan (12), the Russian Federation (3), Tajikistan (3)
• Carboniferous of Canada (5: Nunavut), China (2), France (1), Ireland (4), Morocco (1), the Russian Federation (5), Tajikistan (1), Thailand (1), Turkey (1), United States (19: Nevada, New Mexico, Wyoming), Uzbekistan (1)
Total: 65 collections including 77 occurrences