**All images taken by Liz Ross unless otherwise noted - All specimens are from the paleontology collection at Carleton University, Ottawa, Ontario, Canada. A special thanks to Beth Halfkenny for giving me the chance to sift through the collection.**

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Clegg, S.M. & I.P.F. Owens. 2002. The “island rule” in birds: medium body size and its ecological explanation. Proc. R. Soc. Lond. 269: 1359-1365.

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Hallam, A. 1975. Evolutionary size increase and longevity in Jurassic bivalves and ammonites. Nature. 258: 493-496.

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