Cockerell, T. D. A. (1906). The fossil Mollusca of Florissant, Colorado. <em>Bulletin of the American Museum of Natural History.</em> 22: 459-462. page(s): 459 (footnote) [details]
MolluscaBase eds. (2025). MolluscaBase. Columna haydeniana T. D. A. Cockerell, 1906 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1079204 on 2025-09-16
Marine Species Traits editorial board (2025). Marine Species Traits. Columna haydeniana T. D. A. Cockerell, 1906 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1079204 on 2025-09-16
original descriptionCockerell, T. D. A. (1906). The fossil Mollusca of Florissant, Colorado. <em>Bulletin of the American Museum of Natural History.</em> 22: 459-462. page(s): 459 (footnote) [details]
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