Bamber, E. W.; Waterhouse, J. B. (1971). Carboniferous and Permian stratigraphy and paleontology, northern Yukon Territory, Canada. <em>Bull. Can. Petrol. Geologists.</em> 19: 29-250.[details]
Traits (2025). Gibbospirifer ettrainensis Waterhouse in Bamber & Waterhouse, 1971 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1796889 on 2025-05-27
Marine Species Traits editorial board (2025). Marine Species Traits. Gibbospirifer ettrainensis Waterhouse in Bamber & Waterhouse, 1971 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1796889 on 2025-05-27
original descriptionBamber, E. W.; Waterhouse, J. B. (1971). Carboniferous and Permian stratigraphy and paleontology, northern Yukon Territory, Canada. <em>Bull. Can. Petrol. Geologists.</em> 19: 29-250.[details]
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