Benedict, E.M. & Malcolm, D.R. (1973). A new cavernicolous species of Apochthonius (Chelonethida: Chthoniidae) from the western United States with reference to troglobitic tendencies in the genus. Transactions of the American Microscopical Society 92: 620–628. ZooBank: 362304D7-E2EE-4E97-99D9-3FE1DEE4C530
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