1. Anon (1866a) Professor Owen’s comparative anatomy. London Rev Politics Society Literature Art Sci:12
2. Anon (1866b) The comparative anatomy of vertebrate animals. Popular Sci Rev 5:211–213
3. Ball P (2009) Shapes. Nature’s patterns. A tapestry in three parts. Oxford University Press, Oxford
4. Clark JD, Hughes TM (1890) The life and letters of the Reverend Adam Sedgwick. Cambridge University Press, Cambridge. 2 vols
5. Conway Morris S (2022) From extraterrestrials to animal minds. Six myths of evolution