Davidson, A. R., McKenna, M. C. and Novacek, M. J. A theropod dinosaur embryo and the affinities of the Flaming Cliffs Dinosaur eggs. Science. November
Batomorphii) from the Bolca Konservat-Lagerstätte, Italy, reveals the first fossilembryo in situ in marine batoids and provides new insights into the origin
Fossilized Pregnant Plesiosaur: 78-Million-Year-Old Fossils of Adult and Its Embryo Provide First Evidence of Live Birth. ScienceDaily. 11 August 2011 [12 August
Malcolm C.; Altangerel, Perle; Novacek, Michael J. A Theropod Dinosaur Embryo and the Affinities of the Flaming Cliffs Dinosaur Eggs. Science. 1994-11-04