PaleoDB taxon number: 264981
Full reference: V. A. Krassilov. 1982. Taxonomy: A Unique Find: Pollen in the intestine of Early Cretaceous Sawflies. Paleontological Journal 16(4):80-95
Type specimen: BPI 3064/1926-1, a microspore. Its type locality is Baissa (PIN collection 3064, bed 31), which is in an Aptian lacustrine - large marl/siltstone in the Zaza Formation of the Russian Federation.