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The nomenclature describing the phenotype of missing central rays in the hand and/or foot in the genetics and surgical literature is heterogeneous and confusing. Split hand/foot malformation (SHFM) is the most common term for this phenotype in the genetics community; however, other names such as the offensive ‘lobster-claw malformation’ and the non-specific ‘ectrodactyly’ are still utilized to describe this malformation. In this article, we briefly review the nomenclature associated with SHFM and its classifications.