Sierwald, P.; Decker, P.; Spelda, J. (2024). MilliBase.
Pseudonannolene urbica Schubart, 1945. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=942312 on 2024-11-02
Marine Species Traits editorial board (2024). Marine Species Traits.
Pseudonannolene urbica Schubart, 1945. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=942312 on 2024-11-02