Hazel, J. E.; Cronin, T. M. (1988). The North American genus Climacoidea Puri, 1956, and the tribe Campylocytherini (Neogene and Quaternary). Developments in Palaeontology and Stratigraphy. 11: 39–56.
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Hazel, J. E.; Cronin, T. M.
1988
The North American genus Climacoidea Puri, 1956, and the tribe Campylocytherini (Neogene and Quaternary)