Species: elzanowskii CHATTERJEE, 1994 (noma nudum)
Etymology:

Holotype:

Locality: Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

Age: Middle –Late Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous..

Material: 3 eggs, 2 with embryonic skeletons.