Holsinger, J.R. (1969). The Systematics of the North American subterranean amphipod genus Apocrangonyx (Gammaridae), with remarks on ecology and zoogeography. The American Middland Naturalist. 81(1): 1-28.
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Holsinger, J.R.
1969
The Systematics of the North American subterranean amphipod genus Apocrangonyx (Gammaridae), with remarks on ecology and zoogeography