Zhang, B. G. (1994). Foraminifera from the surface sediments in the Great Wall Bay of King George Island, Antarctica. Stratigraphy and palaeontology of Fildes Peninsula King George Island, Antarctica. 289-308.[details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Portatrochammina gracilis Zhang, 1994. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=993556 on 2025-04-17
original descriptionZhang, B. G. (1994). Foraminifera from the surface sediments in the Great Wall Bay of King George Island, Antarctica. Stratigraphy and palaeontology of Fildes Peninsula King George Island, Antarctica. 289-308.[details]