Monks, N. Cladistic analysis of a problematic ammonite group: the Hamitidae (Cretaceous, Albian-Turonian) and proposals for new cladistic terms. Palaeontology. July 2002, 45 (4): 689–707. Bibcode:2002Palgy..45..689M. doi:10.1111/1475-4983.00255.
Chase, Mark W.; Sue Zmarzty; M. Dolores Lledó; Kenneth J. Wurdack; Susan M. Swensen; Michael F. Fay. When in doubt, put it in Flacourtiaceae: a molecular phylogenetic analysis based on plastid rbcL DNA sequences. Kew Bulletin. 2002, 57 (1): 141–181. JSTOR 4110825. doi:10.2307/4110825.
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Monks, N. Cladistic analysis of a problematic ammonite group: the Hamitidae (Cretaceous, Albian-Turonian) and proposals for new cladistic terms. Palaeontology. July 2002, 45 (4): 689–707. Bibcode:2002Palgy..45..689M. doi:10.1111/1475-4983.00255.
Chase, Mark W.; Sue Zmarzty; M. Dolores Lledó; Kenneth J. Wurdack; Susan M. Swensen; Michael F. Fay. When in doubt, put it in Flacourtiaceae: a molecular phylogenetic analysis based on plastid rbcL DNA sequences. Kew Bulletin. 2002, 57 (1): 141–181. JSTOR 4110825. doi:10.2307/4110825.