World Register of Marine Species (WoRMS)
Abralia (Heterabralia) trigonura S. S. Berry, 1913
MolluscaBase eds. (2026). MolluscaBase. Abralia (Heterabralia) trigonura S. S. Berry, 1913. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=878671 on 2026-08-02
Berry, S. S. (1913). Some new Hawaiian cephalopods. Proceedings of the United States National Museum. 45: 563-566.