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Kukalová-Peck, Jarmila (11 March 2008). "Phylogeny of Higher Taxa in Insecta: Finding Synapomorphies in the Extant Fauna and Separating Them from Homoplasies". Evolutionary Biology. 35 (1): 4–51. Bibcode:2008EvBio..35....4K. doi:10.1007/s11692-007-9013-4. S2CID25126171.
Robert J. Raikow; et al. (1979), "The evolutionary re-establishment of a lost ancestral muscle in the bowerbird assemblage.", Condor, 81 (2): 203–206, doi:10.2307/1367290, JSTOR1367290
Robert J. Raikow (1975), "The evolutionary reappearance of ancestral muscles as developmental anomalies in two species of birds", Condor, 77 (4): 514–517, doi:10.2307/1366113, JSTOR1366113
Verhulst, J. (1996). "Atavisms in homo sapiens: A Bolkian heterodoxy revisited". Acta Biotheoretica. 44 (1): 59–73. doi:10.1007/BF00046435. PMID8693850.
Kukalová-Peck, Jarmila (11 March 2008). "Phylogeny of Higher Taxa in Insecta: Finding Synapomorphies in the Extant Fauna and Separating Them from Homoplasies". Evolutionary Biology. 35 (1): 4–51. Bibcode:2008EvBio..35....4K. doi:10.1007/s11692-007-9013-4. S2CID25126171.