Shimada, K. (2007)
Mesozoic origin for megamouth shark (Lamniformes: Megachasmidae). Journal of Vertebrate Paleontology, 27(2), 512–516
DOI: 10.1671/0272-4634(2007)27[512:MOFMSL]2.0.CO;2

Cumbaa, S.L. & Shimada, K. & Cook, T.D. (2010)
Mid-Cenomanian vertebrate faunas of the WesternInterior Seaway of North America and their evolutionary, paleobiogeographical, and paleoecological implications. Palaeogeography, Palaeoclimatology, Palaeoecology, 295(1–2), 199–214
DOI: 10.1016/j.palaeo.2010.05.038

Gallardo, C. & Shimada, K. & Schumacher, B.A. (2013)
A New Late Cretaceous Marine Vertebrate Assemblage from the Lincoln Limestone Member of the Greenhorn Limestone in Southeastern Colorado. Transactions of the Kansas Academy of Science, 115(3–4), 107–116
DOI: 10.1660/062.115.0303

Shimada, K. & Popov, E.V. & Siversson, M. & Welton, B.J. & Long, D.J. (2015)
A new clade of putative plankton-feeding sharks from the Upper Cretaceous of Russia and the United States. Journal of Vertebrate Paleontology, 35(5), Article e981335
DOI: 10.1080/02724634.2015.981335