EUROPEAN RUSSIA
CHUKORKA AUTONOMOUS REGION
KAKANAUT LOCALITY
UPPER KAKANUK FORMATION
MIDDLE MAASTRICHTIAN STAGE
UPPER SENONIAN SUBEPOCH
UPPER GULF EPOCH
LATE CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AVES LINNAEUS, 1758
Incertae sedis
Gen. sp indet.