(ofDiscorbis quadrilobus Mello, 1969 †)Mello, J. F. (1969). Foraminifera and stratigraphy of the upper part of the Pierre Shale and lower part of the Fox Hills Sandstone (Cretaceous), north-central South Dakota. <em>Professional Papers US. Geological Survey.</em> 611:i-iv, 1-121., available online athttps://doi.org/10.3133/pp611[details] Available for editors [request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Bagginoides quadrilobus (Mello, 1969) †. Accessed at: https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1044826 on 2024-07-07
original description(ofDiscorbis quadrilobus Mello, 1969 †)Mello, J. F. (1969). Foraminifera and stratigraphy of the upper part of the Pierre Shale and lower part of the Fox Hills Sandstone (Cretaceous), north-central South Dakota. <em>Professional Papers US. Geological Survey.</em> 611:i-iv, 1-121., available online athttps://doi.org/10.3133/pp611[details] Available for editors [request]