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Carr, Robert K.; Johanson, Zerina; Ritchie, Alex (July 2009). "The phyllolepid placoderm Cowralepis mclachlani: Insights into the evolution of feeding mechanisms in jawed vertebrates". Journal of Morphology. 270 (7): 775–804. doi:10.1002/jmor.10719. PMID19215000. S2CID45258255.
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Carr, Robert K.; Johanson, Zerina; Ritchie, Alex (July 2009). "The phyllolepid placoderm Cowralepis mclachlani: Insights into the evolution of feeding mechanisms in jawed vertebrates". Journal of Morphology. 270 (7): 775–804. doi:10.1002/jmor.10719. PMID19215000. S2CID45258255.