Brandão, S.N.; Karanovic, I. (2021). World Ostracoda Database.
Pennyella horrida (Whatley & Coles, 1987) Coles, Ayress & Whatley, 1990 †. Accessed through: De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2021) Register of Antarctic Marine Species at: http://www.marinespecies.org/rams/aphia.php?p=taxdetails&id=462701 on 2024-05-02
De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2024). Register of Antarctic Marine Species.
Pennyella horrida (Whatley & Coles, 1987) Coles, Ayress & Whatley, 1990 †. Accessed at: https://marinespecies.org/rams./aphia.php?p=taxdetails&id=462701 on 2024-05-02